Tonearm overhang calculator

Tonearm overhang calculator. Member. Just a FYI. 5mm; 305mm as SME states plus 8. Felt a bit Null points make sense only if the arm has an overhang. F-Note tonearm has a cardanic construction with four ultra low friction pinpoint bearings. Unlike 2-point protractors for phono cartridge alignment, which can be used with any turntable, this generator puts out an arc protractor template specifically for your record player. Having a tonearm that is the right amount of flexible and firm is paramount to a smooth audio performance. Edit: There are different ways to measure overhang without the original gage, it depends on the tonearm. A Soldier who fails the first one-site tape test may use the previous multiple-site body fat tape test for their confirmation tape test for 12 months from the date of Army Directive 2023-11. That's the distance from the center of tonearm pivot to the stylus tip. A pivot arm may skate toward the inside or outside of the B&O Tonearm Setup; Has My B&O Cartridge Failed? Troubleshooting and Repair ; You are here Home ›› How Do I Set My Cartridge's Overhang Adjustment? How Do I Set My Cartridge's Overhang Adjustment? This adjustment provides a best compromise for your “pivoting” arm – it will minimize distortion if done correctly. It all began when the 'table arrived and the spec sheet listed the effective length as 239mm. The Jelco SA-250ST is 210mm pivot to spindle. For any of the other three geometries you would need to print out a free protractor to set the correct overhang and offset angle. At first, you will only see fields for two loads (Load 1 and Load 2), but once you enter a value for x 2 \small x_2 x 2 , the fields for Load 3 will show up, and so on. The Linn arms are normally 211mm pivot to spindle. Interspace (222mm), Ace Space (222mm and 294mm) and Ace Anna (222mm and 294mm). 3mm. " The problem is that you kept the same overhang of 15mm for both arms. 2) Re-mount the tonearm and align the cartridge so it has overhang and offset angle and thus two null points, as in the conventional alignment (i. What I am aiming here is the difference between the basic tonearm geometry (for the individual tonearm) and the geometry for the interaction with a stylus (Baerwald, Loefgren, Bauer, Stevenson etc etc. A simple piece of plastic, but quite invaluable. 3 degree offset angle: There has been, in the past, quite a bit of discussion over what the overhang should be for the L75S arm, so tonight I thought I'd try to figure it out: If we look at the drawing that Ian found L75S arm geometry (page 1) - Tonearms - Lenco Heaven Turntable Forum In 1938 Erik Löfgren stated over his calculation equations to find out the cartridge/tonearm overhang, off set and the alignment null points where the input parameters in his equations were and are: tonearm EL, innermost groove and outer most groove distances and the equations outputs: overhang, offset angle, null points and by difference P2S distance. ? Thanks Ran . The calculators I've found require you to know what all the dimensions for the arm are. The former is possible given that I've used an online calculator to print the protractor and made assumptions about inner and outer radii. This includes calculating the reactions for a cantilever beam, which has a bending moment reaction as well as x,y reaction forces. From this number and the chosen null point settings (Bearwald etc. 5mm number correlated to the leading front edge of the stock Kenwood headshell, which makes it seem to be in the correct spot. The If you do, you will have to calculate the geometries for the same effective length as the original geometry, so the correct overhang will be easy to reach. 5mm overhang, and then I ran the numbers through the tonearm Alignment Calculator Pro, Arm 1 is the Kenwood alignment, which I optimised with a 20. Overhang Shift Calculator. Some gauges are designed to be placed against the spindle, on the side opposite the tonearm pivot, while others, such as our AT6180a Stroboscope Disc / Overhang Gauge shown below, are designed to be B&O Tonearm Setup; Has My B&O Cartridge Failed? Troubleshooting and Repair ; You are here Home ›› How Do I Set My Cartridge's Overhang Adjustment? How Do I Set My Cartridge's Overhang Adjustment? This adjustment provides a best compromise for your “pivoting” arm – it will minimize distortion if done correctly. Can I simply swap the arms or will I have to make adjustments. 28 in. This Stylus overhang makes up part of a tonearm’s effective length. The thing is, when my tonearm is at roughly 294mm from Since you know the pivot-to-spindle distance (and you are the one that will set it), this calculator will give you the offset angle and overhang needed for the standard alignment formulas (baerwald, loefgren, stevenson): S-Shaped Tonearms were designed to facilitated the act of aligning your cartridge. If you favour another alignment, however, as long as you have the room in the headshell slots to accommodate the different Specifications TYPOLOGY 9" Ball Bearing Tonearm OVERHANG 19mm OFFSET 24° ARM WAND Straight Titanium with 6 different sections INSERTING PLINTH SHAFT 23mm DYNAMIC EFFECTIVE MASS 10g VTF 0. Passive Solar Overhang Calculator Passive Solar Overhang Calculator Latitude (degrees): Window Orientation (degrees): Sun Angle (degrees): Calculate Overhang Recommended Overhang Length: feet FAQs How do you calculate window overhang? Window overhang is often calculated based on factors such as the window’s orientation, latitude, and Our calculator is easy and simple to use. Mine is on a manual table so I can move it over the spindle and set overhang. These expressions are derived from Bauer 4 with the corrections suggested by Seagrave 5 and from Stevenson³. Baerwald). This presumes that the spindle to bearing distance was measured correctly and that the arm is mounted in the right place. Also, you can't change the mounting distance of a L75 tonearm to 208. Record some high quality audio at outer and The effective length for this tonearm is specified by Pro-Ject as 218. Graphic from the DVD "21st Century Vinyl: Michael Fremer's Practical Guide to Tu Easy to use online statically indeterminate beam calculator. Baerwald calculated null points of 59 and 102mm should give the lowest average RMS distortion across the playing surface. Introduction. Effective Tonearm Mass – tonearm makers rate their arms in terms of effective mass before a cartridge is mounted. Note that effective length minus overhang should equal mounting distance. I reached out directly to Chris Feickert and sent him pics. 102°, then the 52mm distance will result in a Stevenson "DIN" alignment. . When the thing is ready for mounting on the Lenco plinth, how do i know how much overhang to allow for and do i use a conventional protractor for cart alignment? There's headshell offset to think about as well. So the center spindle to tonearm pivot Quick links Please login or register an accountlogin or register an account Alignment protractor for a 12-inch tonearm?. vinylengine. On Vestax PDX-2000 straight arms, optimum overhang is 50mm. Record some high quality audio at outer and inner grooves. Logged flavio81. Overhang = 18. Vinyl records you play are cut on a machine where the cutter is always lined up with direction of the playing groove. 03 degrees To calculate how much you need to move your turntable VTA adjuster up and down, just Remember, there is about 15 mm of overhang on Grace, and about 18 mm of overhang on Thorens, so effective length of Grace arm is 237 mm or 9. 89%! My intuition tells me that 12" tonearm would give less "error" than the 9" tonearm. Don’t forget that the stylus, the tonearm and its assembly are fragile. TBH with the overhang first step it looks square from 115-120, and high 50s In approximate terms, the armboard mounting hole should be such that the cartridge stylus will “overhang” the record centre (spindle) by a distance of around 17-19mm for an arm that is of 229-250mm Effective Length (distance from stylus to armboard mounting hole centre). Tonearms from other manufacturers like Triplanar, SME, or Graham to name a few, are divided into three groups as well. 2mm. Regularly updated, it currently contains mounting Generate free custom alignment templates with our arc protractor, 2-point protractor and sightline protractor generators. 96 on the Stevenson protractor and 17. 5mm (ie. T. The keys here are the length, the mounting distance and the offset. It is the oldest tone arm in the history of vinyl record players. Or go backwards and calculate the null points from PTS, overhang and offset angle. 2mm offset angle 21. 72 in. Optimum overhang for accurate listening on an S shaped tone arm is 52mm (Technics 1200s). My To calculate null points for Baerwald, Lofgren or Stevenson, only the groove radii are necessary. It took How to set the "overhang" on a tonearm using a two-grid type overhang gauge. The published specs are the following: Mounting distance = 311 mm Effective length = 326 mm Overhang = 15 mm Offset angle = 19 degrees According to the calculator, the resulting null points are 64. There are many different types of rafters, and the type you use will be influenced by the type of roof. For longer arms we need to reduce the overhang. In the 1940s, the concepts of ‘Overhang’ and ‘Offset Angle’ were first introduced A tonearm that reaches the highest level in analog reproduction. 8mm which isn't what they state. First, in December 2019, SME announced that it would stop selling tonearms separately, effective immediately. Post by coltrain » 25 Jan 2020 09:40 that what i wrote originally in my topic. Running Stevenson and with the Technics 239mm EL these are the results: overhang: 15. It took This is a difficult procedure, but the instructions say that only approximation is necessary. i've forgotten. Turntable: pioneer pl600 direct drive (silver). Calculate Why cartridge compliance and resonance matter The turntable tonearm and phono cartridge resonate at subsonic frequency that depends on the effective weight of the entire tonearm (including headshell), cartridge and mounting hardware as well as the compliance of How to set the "overhang" on a tonearm using a two-grid type overhang gauge. Edited December 13, 2015 by Guest. You can see the maximum distortion jumps from 0. Member Offline Location: Lima, Peru Please consult the manual of your turntable or tonearm, should you use a different brand. 89 on the Baerwald: quite a difference. 368 Offset angle = 24. The slight change in effective length / overhang can either result in increase maximum distortion or even increased overall distortion. 5" apart (What I eyeballed as the length of the headshell collet): Using the first measurement (very end of the tonearm as the baseline): Pivot to end of tonearm: 171. The Qwin template includes the Technics alignment with a inner nullpoint 58. Since you know the pivot-to-spindle distance (and you are the one that will set it), this calculator will give you the offset angle and overhang needed for the standard alignment formulas (baerwald, loefgren, stevenson): The problem is that when you combine data to calculate the null points, you’re not obtaining the first null point at 66 mm. Perhaps you could use software that is familiar to you to calculate the null locations when you increase tonearm effective length by 2mm but do not change the Do the Jelco tonearms fit the Linn tonearms. Abdominal Circumference: inches (measure around belly button) Calculate. snap, crackle and pop. 2grams by my calculations, the arm is slightly too heavy for the cartridge’s relatively high compliance, putting the system’s resonant frequency at around Common stylus overhang distances are 15 mm (as is the case for our AT-LP1240-USB Turntable) and 16 mm (for our AT-LP120-USB turntable), but other lengths exist as well. Don't know why it would be so hard to publish accurate specs, especially for mounted tonearms. I've been using this method to my S shape tonearm turntables and it works just fine. using the calculator on Vinyl Engine gave a resonance for a SPU Royal N on my Schröder with an 18g EM gave a result somewhere around 10 or 11 but a test record initially A straight-line-tracking tonearm, OTOH, is always in perfect tangency vis-à-vis the groovewalls. « Reply #15 on: March 18, 2023, 10:03:26 PM » Hi All My Analogue Alchemy deck is fitted with an arm board which can be rotated to alter the spindle to pivot distance very easily. Tracking error: +1. A couple of years ago, they came out with a new line of tonearms using a knife-edge bearing, the TK series. Length 317,57mm Let's have a look at this picture: I use this Formula to calculate the angle If we call L=DP Alpha=8. 45 mm Tonearm "Stub" Effective Length: 50mm Load on The safest bet is probably to use an online overhang calculator. The effective length for this tonearm is specified by Pro-Ject as 218. If you know the median effective length (you could measure it with your cart mounted slightly forward Is the tonearm overhang a parameter of the tonearm manufacturer or a calibration method like Lofgren and Stevenson. The Rega owners manual in the VE database, gives no specs for overhang or effective length. Overhang is the difference between the effective arm length l and the pivot-to-spindle distance d. Location: Sweden. All the other arms in the range have an adjustable headshell and a threaded VTA adjustment screw, The usual calculators don’t take into account damping and there are various places where damping can occur in a tonearm/cartridge/deck system even if there is no overt provision for it. Perfection is extremely difficult to achieve when aligning a phono The tonearm was designed with 220 mounting distance, 15mm overhang and 22 degrees offset angle. com. PLEASE note the metric grid at the bottom of the gauge, and make sure you have printed it out sized You're an Akai fan? Or own anything Akai related? Then send a request to enter this fabulous facebook group: Vintage Akai hifi, which has nearly 3. The tonearm database here says that my turntable has an effective length of 229 mm and it’s 214 mm from pivot to spindle. There are several standards for the radii of the inmost and Alignment Calculator Pro. luckythedog. 6°. 6mm. I've been toying with incorporating the pivot from the NEAT clone I have into a wooden arm, but with angle/overhang numbers that give more accurate tracking. (Read 13242 times) tabarddn. Thought I would start a new thread to document the build of my DIY Quadrapoint tonearm. The cartridge loading and and compliance caclulators will help you choose the right phono cartridge for your Tonearm Alignment Calculator. The strip has two unthreaded cartridge-mount holes, with a third, threaded hole between them. Baerwald has an overhang of 16,21 mm, Lofgren B has an overhang of 16,64 mm and Stevenson has an overhang of 14,44 mm Curved Arm Tonearm. Then click on the Compared to the “factory” specs, I calculate an improvement by increasing "overhang," from 17 to 18mm, also adding to 1mm greater effective length of 228mm. 0: Offset angle (between a groove and the stylus direction) 24° Overhang in mm (from the spindle to the stylus) 18. 34 No. The Curved Arm Tonearms is divided into S-, J-, and I- type. Unfortunately I accidentally ordered TWO of them by mistake- one from this site, and another from. Formula. The Jelco SA-250, SA-750D, and SA-750DB are 214mm pivot to spindle. 787 mm and 147. The Interspace arm has in line headshell and single long grain carbon fibre tube. It is able to calculate the reactions at supports for cantilever or simple beams. That didn't make sense to me because that would be the Ultimately, a properly implemented tonearm needs to perform its job of accepting a mounted cartridge and allowing proper alignment by having options for fine-tuning tracking force, azimuth, overhang, zenith angle, VTA/SRA, etc. If the spec truly is 215mm from spindle to tonearm pivot (15mm overhang) and the offset angle for the headshell is at 22. 3 degree offset angle: I'm wary of any process requiring dragging the tonearm over to the spindle with one hand, holding a metric ruler with another hand, and adjusting the cartridge position in the headshell with your third hand. Go to the data entry boxes on the left, and input the mounting (or pivot to spindle) distance in all the Board index Hardware Turntables and Tonearms; well tempered arm overhang set up. A to Pt B the moment arm on the tonearm side shrinks by the distance between those two points. English (US) Español (ES) Français (FR) Deutsch (DE) Polski (PL) Italiano (IT) Português (PT) Calculators. Set down. Each geometry is defined by a different overhang and different null-points. With a pivoted tonearm, it is possible to achieve perfect tangency at only two points as the tonearm travels in an arc across the record. It features only one support, at one of its ends. RCAguy. This could be Enter the published data for your tonearm to compare it's alignment to optimized alignment geometries. Ideally a record Once the overhang is set, move the protractor and align the stylus to one of the null points to set the offset angle. 6 mm or 9. Stevenson alignment, combined with JIS groove dimensions (Japanese Industry Standards, slightly different from DIN) results in the 15 mm overhang and 230 mm effective length. Neither overhang nor underhang is the reason to cause skating. I want to know how Please consult the manual of your turntable or tonearm, should you use a different brand. Logged Wout. Please either open the attachment and print it out, OR I have an arc protractor which is generated using SME-specified values: 294mm spindle to pivot, 11mm overhang. The thing is, when my tonearm is at roughly 294mm from the spindle, it is absolutely impossible to get 11mm of overhang. DIY tonearm overhang or underhang. With so many different turntables on the market, from entry-level to luxury, some research may be required to determine the unit that will best suit your needs. 66%. Shop. With the cartridge squared in the headshell at the specified distance, the correct overhang and angle will be set. Overhang L70 tonearm. Much of it centered on the pivot to spindle distance and effective length. Roughly check this by swinging the stylus over the record spindle. S Type tonearm. There is some confusion on this topic as there does seem to be some incorrect information out there, but I believe Pioneer copied the Technics arm Dear Raul, I agree with you - this is a complex subject. It is often given in place of pivot-to-spindle distance along Lift the tonearm and move the protractor to place the stylus on the inner grid’s center point. 4/L . -8. If you want to enter an upward load, simply Stylus overhang is the distance between the diamond and the inner cuff on the headshell. Do the measurements. The measurement set in the Technics 'overhang' gauge is just a handy way to reference it. 28*square root (M*C)] where M is the mass of the arm and cartridge and C is the compliance of the cartridge. Underhang will not get rid of skating at all. The latter is Compared to the “factory” specs, I calculate an improvement by increasing "overhang," from 17 to 18mm, also adding to 1mm greater effective length of 228mm. Logged Regards 2021, 10:35:47 PM. a longish 10-3/4" tonearm). (Read 13441 times) Chrisg139. Juggling the I ran 9. 2 I have to assume that ProJect mounted the tonearm at the correct pivot to spindle distance (!) so that leaves us with a) the protractor is not for my tonearm or b) I don't have enough overhang. Seems a pretty straightforward calculation. If you want to use some other alignment, it's certainly OK to mount the cartridge accordingly or change the tonearm mounting distance to reach your preferred alignment. This Value is calculated using the Alignment Calculator Pro, when the Specifications of the Technics tonearm are entered. As the arm nears two Jelco tonearms have a cult following of in-the-know vinyl enthusiasts and turntable manufacturers looking for the best “bang for the buck” tonearm. strother Posts: 1 Joined: 19 Aug 2013 19:19. Provides support reactions, bending moment, shear force, deflection and stress diagrams. Please either open the attachment and print it out, OR go to this website and print out this free overhang gauge – instructions are fairly easy and on the print out itself. It can vary depending on the length of the tonearm Instructions. I personally prefer to use Baerwald overhang parameters, and it would be instructive to find out why Rega apparently opted for mostly proprietry overhang parameters. Cartridge Ortofon 2M Bronze. Calculate your one-rep max (1RM) for any lift 1) Mount the tonearm in the manufacturer-recommended position, that is, underhung. With the JMW-9, JMW-9 PLUS and JMW-9 SIGNATURE, following the indicated mounting distance, angular offset and overhang, you’ll obtain null points at 49. Joined 2009. " I plugged in the new effective length, along with an inner recorded radius of 56mm and an outer recorded radius of 146. Small angular and overhang errors are nearly impossible to see, even with a loupe. There is G'day all, yes this is an 'interesting' situation. PTS 's got nothing to do with it. The AR alignment tool suggests an overhang of 15 mm. 3 effective length to achieve Bearwald alignment, which would result in a 17. TA-AF9/10 Tonearms; TA-SF11R Tonearm; TA-SF9R Tonearm; TA-SF9 Tonearm; HS-A02 Headshell; CB-A01 Cartridge Spacer; TC-125 Tonearm Cable ; The Korf Blog; Compliance Calculator; FAQ; Dealers; Contact Us; Like what you see? Subscribe to the Korf Blog! Be notified when new articles are posted; Access DIY tonearm overhang or underhang. In OL's case 240 - 17. 8 mm. 0: Mounting distance (from the tonearm pivot to the spindle) 212. The clip, with the cartridge Jelco tonearms have a cult following of in-the-know vinyl enthusiasts and turntable manufacturers looking for the best “bang for the buck” tonearm. So even if you have no idea where the overhang should be, you could arrive at I also remember someone at Ava HiFi recommending for a Sony PSX-6 to use a different overhang and Lofgren B for a setup on that TT with the explanation 'to get the needle out there more' OK so I get that the further distance from the pivot will distort less as it traces, but adhering to certain parameters pertaining to the tonearms resonant limitations is probably The safest bet is probably to use an online overhang calculator. Location: Overhang for the stylus is the effective length minus the pivot to spindle distance (9in. Then click on the Tonearm Data button, then click on Alignment Calculator Pro. ) it is possible to calculate the Effective Length and the Overhang. Lame. The calculations also call critically for ~1º more offset angle, yuksing the cart slightly CW with respect to normal orientation in the headshell. Feel free to explore the internet for the formulas, they are there. An illustrated definition of terms: Tonearm_Alignment To try and answer some of your specific questions: - Distance between pickup arm pivot and record center: this is called the mounting distance. GEG Calculators is a comprehensive online platform that offers a wide range of calculators to cater to various needs. For example, a tonearm with an effective length of 250mm and a 233. I have an arc protractor which is generated using SME-specified values: 294mm spindle to pivot, 11mm overhang. It is much safer to use the manufacturer's specification for effective length and calculate the optimum overhang and tonearm mounting center from equation 3 once the offset angle is calculated from equation 2. TemaadAudio 12'' Ref Grade Tonearms. Although not necessary for the context of this article, another figure of merit to optimized turntable geometry is overhang. In the returned table, each column represents the cartridge and fastener weight as denoted at the top of the table, while each row represents the cartridge compliance as denoted by the value in the left most column. Hi guys, just a question. This meansthe horizontal distance from the center of the tonearm pivot to the tip of the stylus should be 218. Re: HELP - tonearm with no offset, overhang or side thrust. Balancing the tonearm can be frustrating, proceed with patience; always turn the counterweight very slightly in the desired direction. A simple way to set overhang is to use a dedicated overhang gauge that has markings in millimetres (mm). The cantilever beam is one of the most simple structures. Follow the tonearm manufacturer’s guidelines when setting stylus overhang. If you use 20mm Overhang, For any of the other three geometries you would need to print out a free protractor to set the correct overhang and offset angle. 19 inches. So for the SL-1600, the effective length is 230mm. All I've been able to find is Quick links Please login or register an accountlogin or register an account Topic: HELP - tonearm with no offset, overhang or side thrust. In order to utilize this design you will also need an Overhang Gauge, whic Calypso Tonearm uses an adjustable offset headshell. 2015-03-07 8:35 pm #6 2015-03-07 8:35 pm #6 The idea behind tonearm S shape is that centre of mass of the overall arm is arranged to be exactly on the line between stylus and Basically, for any given tonearm, there is one position, which includes both overhang and offset angle, where the alignment is dead on to a particular alignment geometry such as Lofgren B or whatever. Tonearm Tacco 12"; Conical wooden tonearm on a unipivot sapphire bearing. 5 and the horizontal distance along that same line from the center of the spindle to the tip of the tip should be 18. Re: effective length /mounting distance /overhang « Reply #17 on: December 06, 2015, 04:18:17 PM » I mentioned re my bottom chart that the only way I have of The Reed 5A tonearm is one of those innovations. 75 degrees. I have read elsewhere about wrong specs published for audio equipment. 9g no cartridge (based on CW mass and distance calculated for a 6g cartridge) Gimbal bearing with sapph The Schön alignment is calculated so that if the position out by 0. When checked with the albeit crude SME protractor of tangential lines from the spindle the headshell is "toed Hi, You can use my Alignment Calculator to calculate null points for alternative inner and outer groove radii using either Stevenson, Lofgren A (Baerwald) or Lofgren B geometry. Cartridge Channel separation 26 dB @ 1 kHz; 15 dB @ 15 kHz Roof Pitch Calculator Results (Explained) Pitch/Slope - Pitch and slope, often used interchangeably on the job site, refer to a roof's Pitch(X) represented as X in 12, where X is the number of inches of vertical rise for every 12 inches of horizontal run. The formula for calculating overhung load can vary based on the specific application and assumptions. The null points explain where on an alignment gauge you should be able to align the cartridge to. Calculating the length of the rafters is an essential part of framing a roof. FWIW, the resident Calculation. Entering those numbers on the tonearm alignment calculator gives me an overhang of 15. (I would recommend 250mm) By adjusting offset, overhang and effective length, you have access to all degrees of freedom that characterize tonearm geometry. distance from the centre of tonearm horizontal to the tip of the cartridge is 230 mm. "What puzzled me even more is the tracking distortion % for 12" arm = 1. Overhang is the distance beyond the turntable spindle to the stylus tip. WvL, Aug 12, 2023 #1. using the calculator on Vinyl Engine gave a resonance for a SPU Royal N on my Schröder with an 18g EM gave a result somewhere around 10 or 11 but a test record initially You're an Akai fan? Or own anything Akai related? Then send a request to enter this fabulous facebook group: Vintage Akai hifi, which has nearly 3. length is simply the mounting distance + the overhang. 1) Mount the tonearm in the manufacturer-recommended position, that is, underhung. Quick links Please login or register an accountlogin or register an account In addition to the manual graphical method described earlier, Bauer also derived two crucial design parameters for tonearms: formulas for calculating the optimal overhang D and offset angle β Quick links Please login or register an accountlogin or register an account The Rega owners manual in the VE database, gives no specs for overhang or effective length. 3mm, the resulting degradation is equal whichever way out it is. Look at S-Shaped Tonearms were designed to facilitated the act of aligning your cartridge. 2mm and a relatively high effective mass of 28. The support is a, so called, fixed support that inhibits all movement, including vertical or horizontal Graham Engineering has been making tonearms since the mid-80s. About four years ago, the stand-alone tonearm market went through a bit of a crisis. Perfection is extremely difficult to achieve when aligning a phono cartridge. Then square the bolts. I know that conical styli are forgiving, but I tried using my Denon DL-103 on a Rek-O-Kut B12 with an ESL S-1000, and it sounded pretty bad because the alignment was so far off. Graphic from the DVD "21st Century Vinyl: Michael Fremer's Practical Guide to Tu This adjustment provides a best compromise for your “pivoting” arm – it will minimize distortion if done correctly. Post by strother » 19 Aug 2013 20:16 Good afternoon, I am in the process of finishing my first DIY tonearm and getting ready to mount it. 5mm pivot to spindle specification has an overhang of 16. I've never seen a reputable tonearm where the mfgr had Tonearm Alignment Calculator Pro Overhang Shift Calculator Calculate optimum tonearm mounting distance and analyse changes in cartridge alignment; Cartridge Resonance Evaluator Evaluate the resonant frequency of your tonearm/cartridge combination ; Cartridge Database Tools An assortment of useful calculators; Turntable Setup Effective tonearm lenght in mm (from the tonearm pivot to the stylus) 230. I planed to self construct a 12" unipivot tonearm, using VE tool I can get pivot to spindle distance, effective length and offset angle with various types of It is a quick and dirty way to set an approximate overhang, but if you want accuracy, you will need to subsequently Now I am almost sorry to have made this suggestion, for it is a bit difficult to understand if you aren't already familiar with how offset angle and overhang affect the null positions. Member Offline Posts: 901 . In order to utilize this design you will also need an Overhang Gauge, whic Calculate geometry for your DIY tonearm design Overhang Shift Calculator Assess the effects of changing stylus overhang while keeping the original angle of the cartridge in the headshell Generic (Universal) Protractors Stupid Protractors By the way overhang or more exactly a change in effective length of the tonearm via poor setup is not as important as VTA, VTA, anti skate or azimuth. Weight: lbs. « Reply #225 on: May 26, 2023, 03:26:05 AM » Gentlemen, Just forget about Nul points, you are Quick links Please login or register an accountlogin or register an account to optimally match your tonearm with your cartridge. The minimum value I could enter was a 1 mm overhang. Basically, alignment is a two-part process: 1) setting overhang, and 2) aligning the stylus. At all times be in control of the tonearm’s motion when increasing or decreasing the tracking force. However, neither a pivoted nor a linear-tracking tonearm will be “right” if it is not properly aligned to begin with. However, I just can't imagine how you set the arm to minimize tracking errors. :scratch2: Regards, Felix aka catman. Cartridge Resonance Evaluator. 56mm. The latest version of the VE alignment calculator is the swiss army knife of alignment tools, now with comparison plots of tracking error and Pickup Tracking Angle. 484 mm, with the latter being outside the playable area on the LP I tend to use an arc protractor (made with Conrad Hoffman's program) using the Technics tonearm specs. Skating is caused by friction between the groove and the stylus. A pivot arm will skate toward the inside of the record if it has an overhang. Go to www. In my Quick links Please login or register an accountlogin or register an account Quick links Please login or register an accountlogin or register an account Quick links Please login or register an accountlogin or register an account Quick links Please login or register an accountlogin or register an account Quick links Please login or register an accountlogin or register an account Overhang is the distance beyond the turntable spindle to the stylus tip. Baerwald has an overhang of 16,21 mm, Lofgren B has an overhang of 16,64 mm and Stevenson has an overhang of 14,44 mm There are various formulas for calculating the resonant frequency, combo kits come with stylus overhang set at 15. 96 degrees / -1. 381° Calypso Tonearm uses an adjustable offset headshell. One would use the null points and PTS to determine the overhang and offset angle. This almost 10" tonearm has the disadvantage of having fixed thread for mounting the PU that does not fit any of the PUs arround But Did Lenco recomend a overhang for this arm? I'm planning October 06, 2024, 08:35:39 PM The distance SP is the effective length of the arm and exceeds the distance CP by the overhang: if we use the figures quoted in the last paragraph, then Wilson's equations give this to be 18. This is necessary, because the effective length of Calypso is not strictly defined and can be set in a range between about 230mm to 280mm. Overhang: 18mm (0. Re: well tempered arm overhang set up. 75; Arm shaft diameter 18 mm; Recommended arm shaft hole diameter 22mm; Tonearm weight 680g/730 g. Cartridge Output voltage 1000 Hz, 5cm/sec. It says the effective length is 215mm with a 9. (I would recommend 250mm) By adjusting offset, overhang and effective length, you have access to all degrees of freedom that characterize tonearm geometry The overhang gauge is an older style for Technics, but it will work on any 49-52mm in length cartridge/ headshell for an S-shaped tonearm. Calculate your one-rep max (1RM) for any lift. New cartridge and headshell or (if I stay with the 2m line), just a needle? Last edited: Aug 12, 2023. You can set you How do you calculate overhang length? Overhang length can be calculated using trigonometry and considering factors like solar angles and shading requirements. 63° from Wilson's equations), and so the line SC is along a radius of the disc and the Art Dudley returned to the Thomas Schick tonearm in October 2011 (Vol. 176N (18g) VTA Adjustable on collar LIFT Hydraulic ANTI-SKATING Wire 5 position AZIMUTH Adjustable on the headshell INTERNAL CABLES AWG36 If we take any Technics tonearm models and make the Stevenson calculations we find out that are very near the results but not mimic exactly and with the 1000R is the same. "Effective length" includes the overhang. Enter your mounting distance and it will give the overhang, offset angle and null Theory, calculator, and protractor useful to setup your turntable's tonearm. The tonearm effective length with the VM95 at its furthest is 226. Whether I do overhang first or not I am doing the final squaring with an printed alignment ruler at 57 and 119 per the scan on vinyl engine. Effective tonearm length (needle tip to tonearm The "headshell" is merely a small aluminum block with a single elongated hole in it (for overhang adjustment). 11% which is more than tracking distortion % for 9" arm = 0. There is a specific overhang for each tonearm defined by the bearing to stylus length as defined in the tonearm specs. I have it set up with a p-to-s of 293mm, but I am not sure what the offset angle should be. The remaining space from that point . So the center spindle to tonearm pivot Theory, calculator, and protractor useful to setup your turntable's tonearm. A rafter is a structural member that provides support for the roof sheathing and transfers the weight of the roof to the exterior walls of a building. The first is accomplished by This new calculator provides a more accurate assessment of body fat. When entered in the Tonearm Calculator Pro with the SME claimed 16. Throughout that time, company founder and designer Bob Graham has been refining his designs for better performance. Generate free 2-point protractors for phono cartridge alignment. 5 mV. These The “overhang” is literally the amount by which the stylus tip “overhangs” the spindle when the arm is placed directly above the spindle. Training Log ★ ★★★★ ★ ★★★★ One Rep Max Calculator. Zatoichi Forum Resident. ~0. McLover and youraveragevinylcollector like this. Log In . - Overhang calculation: why over hang? Ideally the stylus should trace a straight line drawn from the center of the spindle to the outermost periphery of the record It says the effective length is 215mm with a 9. Sounds fine to me. For example, an arm/cartridge with a combined mass of 18g, and a cartridge with a compliance of 22 would The Rega owners manual in the VE database, gives no specs for overhang or effective length. The box at the bottom left of the adjustment gauge contains simple equations for calculation of overhang (D) and for offset angle (β) if the effective length (L) of the tonearm is known. Table V presents the optimum overhang and The tonearm was designed with 220 mounting distance, 15mm overhang and 22 degrees offset angle. If you know the median effective length (you could measure it with your cart mounted slightly forward Many of the better tonearms from the '50s (ie: Rek-O-Kut 120 and 160, ESL/Ortofon S-1000) have fixed overhang, which makes it difficult to pair with an appropriate cartridge. As a general rule, high compliance cartridges work best with low mass tonearms (medium always goes great with medium) and low compliance cartridges work best with high mass tonearms. Simply subtract overhang from effective length to get the pivot to spindle distance. I think I’ve got it. 82mm as in your spreadsheet calculation. ? Any suggestions? This arm comes with no documentation. 202 mm mounting distance seems short, unless arm is really short. 16mm and 140. I'm curious about the geometry used by Ortofon for this tonearm. Please note that actually measuring the distance may give you a more accurate result. e. Mine is closer to 21 mm. With over 300 calculators covering finance, health How to calculate headshell offset angle. Cartridge Channel balance 1 kHz-1 dB. The E. Tonearm overhang 11mm (. 5 mm. In short, when you get the alignment set, the overhang is also set. If you can´t achieve correct overhang etc. Click on the Data button. Low, medium, and high mass. Here’s a tip: Visiting stores in person will allow you to test out different tonearms and With the Schön-template, the Overhang can be measured independent by the Orientation philosophy. Tonearm mass 16gr. 5mm from mounting screws to stylus tip. His best guess is pro-ject is overly optimistic with their overhang specs. Reed is the brainchild of Lithuanian turntable and tonearm expert, Vidmantas Triukas. standard weight/heavy weight; Height above mounting surface 59 – 79 mm (up to top of the tonearm) Counterweight radial clearance 85 mm for standard weight; 93mm for heavy weight (measured from pivot point) The 18mm overhang and 22. Here is the calculation I did for you. The term “overhang” is used to express how much longer the tonearm’s effective length is than the pivot to spindle distance. Topic: HELP - tonearm with no offset, overhang or side thrust. The original and best tonearm database! Often copied but never beaten. If god forbid the tonearm is just dropped in some arbitrary mounting hole that has nothing to do with the tonearm geometry but is there anyway, then naturally, the measured mounting distance is different than the one specified. 600 member Please consult the manual of your turntable or tonearm, should you use a different brand. All Pear Audio arms share the same family of sound in order for all to sound right in combination. The resulting THDmax is 0. However, a commonly used formula for calculating the overhung load (OL) is: Where: Fr = Radial load (perpendicular to the shaft) L = Length of the overhang Roof Pitch Calculator Results (Explained) Pitch/Slope - Pitch and slope, often used interchangeably on the job site, refer to a roof's Pitch(X) represented as X in 12, where X is the number of inches of vertical rise for every 12 inches of horizontal run. May 6, 2012 1,396 51 970 Seattle area. You can use vinyl engine's tonearm calculator to calculate a Baerwald geometry for any effective length. Aug 10, 2016 #2 O?verhang is the distance past the spindle the stylus is when rotated over it. (the "bend" in the headshell). I planed to self construct a 12" unipivot tonearm, using VE tool I can get pivot to spindle distance, effective length and offset angle with various types of I’ve a PioneervPL530 with stock S-shaped tonearm and am mounting a Pickering XSV3000 with genuine stylus onto an LPGear headshell. If you know a roof's Pitch(X), you can use the information to lay out rafters with a Framing Square. I wasn't able to set a negative value for overhang. This tool enables the user to assess the effects of changing stylus overhang while keeping the original angle of the cartridge in the headshell. 5mm overhang I get a null point of 64. It’s described as a ‘Tangential 90 Degree Pivot Reference’ tonearm and is based on a Double Birch/Thales geometry. That provides an alignment which is basically Stevenson for DIN TTF: If you've got the complete tonearm data (offset angle and two of these three: mounting distance (alias pivot to spindle distance), overhang, effective length (*)), you can Apparently, early AR XA turntables came with a 15mm overhang gauge and later ones came with a 18mm gauge, but I don’t believe the arms changed. Baerwald, Stevenson & Löfgren alignments, DIN, JIS, IEC The box at the bottom left of the adjustment gauge contains simple equations for calculation of overhang (D) and for offset angle (β) if the effective length (L) of the tonearm is known. 33 inches and effective length of Thorens arm is about the same, 233. Here This calculator will show you the effects of tolerance in cartridge alignment and will help you find an optimized geometry. (These dimensions differ from those stated by the International The amount of faux "controversy" surrounding the 10" arm Technics will supply with its upcoming SL-1000R turntable bordered on the absurd. 3mm Offset = 23deg P2S = 222mm Overhang = 17. Effective mass is influenced by the weight of the various There has been, in the past, quite a bit of discussion over what the overhang should be for the L75S arm, so tonight I thought I'd try to figure it out: If we look at the drawing that Ian found L75S arm geometry (page 1) - Tonearms - Lenco Heaven Turntable Forum My effective arm length is 313. After starting with the original Most Japanese S-shaped tonearms will be based on geometry that is closest to Stevenson. From that point on, SME tonearms would be available only in combination with SME turntables. GEGCalculators. Isn't there? I should point out that vinyl isn't my main source and most of what i once knew. That provides an alignment which is basically Stevenson for DIN standard records. This calculates optimised geometry for your tonearm. Member Offline Age: 73 Location: Whanganui, New Zealand Posts: 968. Given the above data, I suspect one of two things; 1) Rega redid their maths and came up with slightly different results (unlikely), or 2) starting with the introductions of RB220/330, Rega's latest tonearm tube castings include The usual calculators don’t take into account damping and there are various places where damping can occur in a tonearm/cartridge/deck system even if there is no overt provision for it. The actual alignment geometry depends on the dimensions and shape of the tonearm. Please either open the attachment and print it out, OR Quick links Please login or register an accountlogin or register an account How to calculate headshell offset angle. Leonthepro, Mar 14, 2022 #4. It is then possible to make a drawing that places the null points on the arc Overhang 12. Assuming the two points are . Member Offline Location: Silicon Valley PA USA Posts: 711. Figure 1 shows the relationship of the offset angle to the The beam span calculator will easily calculate the reactions at supports. 0: Effective tonearm mass in grams 17,2 18,5 19,5 (including Alu headshell) 17. 5mm. Standards. Overhang gauges make Tonearm Pivot to Spindle Distance = Tonearm Effective Length – Stylus Tip Overhang. optimum overhang is 18 mm and the effective length, ie. This After entering the values, click the “Calculate” button to obtain the result. Age: yrs. Verify that the tonearm is perfectly horizontal when set in the groove (tonearm base height), and that the tracking weight is correct (to not throw off VTA by crushing the suspension, nor to allow grooves to lose contact). I’m using the paper protractor from the HiFi News LP. The resulting curves didn't look promising. For example, the pivot-to-spindle distance for the Technics SL-1200GR is 230mm (effective length) – 15mm (overhang) = 215mm. Overhang, then your tonearm mounting distance (arm pivot to platter spindle) should be 257. Optimum overhang positions the diamond slightly forward of the curve in the record groove, and has in inward pull on the To determine the proper overhang at a specified mounting distance, one can use Alignment Calculator Pro. 5") Tonearm distance from pivot to spindle 293 mm. 71”) Offset Angle: 23. Adjustments should be done with stability and repeatability, and allow ease of use in daily operation. The calculator shows that a 222 pivot to spindle distance requires a 239. With the Baerwald nullpoints you will get a longer overhang and shorter pivot to spindle distance. English. Specification Effective length = 239. With a The stock overhang guage is a plastic cutout piece that you lay over the headshell and adjust the cart within the cutout to match the tip to a mark on the plastic. You may also customise the alignments to be compared by entering alternative geometry for your tonearm, or by entering the data of Database Alignment Calculator Overhang Shift Calculator. 10): "Calculate optimal overhang and offset for specified arm dimensions. How to Calculate the Length of a Rafter. Then you can work with antiskate, which should be dialed near the tracking weight. 3 posts • Page 1 of 1. If the cartridge is at an angle here, adjust the overhang according to the following illustrations: Then start again on the outer grid. A. Your one-rep max is the max weight you can lift for a single repetition for a given exercise. 600 member If you are contemplating getting one remember to take care with the overhang shift if the arm pillar rotates from its original setting, be careful about the stiff tonearm wiring at the clip end, only use a cartridge with a secure stylus guard, experiment with the magnet weights to get that sorted out, get the "hang" of the azimuth adjustment The math can easily be done to calculate all of this based on the effective length and the mounting position. Baerwald has an overhang of 16,21 mm, Lofgren B has an overhang of 16,64 mm and Stevenson has an overhang of 14,44 mm. 3mm overhang. The cartridge does not attach directly to this, but to a small metal strip, one end of which extends in a gentle curve to serve as a finger lift. 35 posts Previous; 1; 2; 3; Next; coltrain member Posts: 88 Joined: 25 Jan 2019 09:53 Location: tel aviv. 3mm effective mass = 13. 5 degrees through the VE overhand adjustment calculator. 2mm, P2S 224 so the EL is: 239. Jelco tonearms have a cult following of in-the-know vinyl enthusiasts and turntable manufacturers looking for the best “bang for the buck” tonearm. If you want to use the Tonearm Alignment Comparator - compares manufacturers data with optimised geometry for your arm Tonearm Overhang Shift Calculator - assess the use of different This calculator will show you the effects of tolerance in cartridge alignment and will help you find an optimized geometry. I would like to have some light here that there are 2 tonearm geometries - NOT one. audioarcher Well-Known Member. Just this year, they have made some refinements to the TK series tonearms, creating the new MKII series. The great advantage of an arc protractor is that it separates the I've found a couple of calculators, but I'm not sure if they either don't do what I want, or if I just don't understand them. The decision seemed baffling: SME had been the tonearm company for Verify that the tonearm is perfectly horizontal when set in the groove (tonearm base height), and that the tracking weight is correct (to not throw off VTA by crushing the suspension, nor to allow grooves to lose contact). 15 degree offset and 11. Overhang is the distance the stylus tip overhangs the center point of the platter (center of spindle). The most accurate tool for setting up the basic geometry is an arc protractor. I have lots to learn and I hope there might be some Is the tonearm overhang a parameter of the tonearm manufacturer or a calibration method like Lofgren and Stevenson. After 12 Something about the length of cartridge from the end of the tonearm to the needle needing to be 19mm. The top version of the tonearm features a super hard diamond From that, and the specified effective length we can calculate the linear offset and determine a matching set of null points. If you know the median effective length (you could measure it with your cart mounted slightly forward Quick links Please login or register an accountlogin or register an account Quick links Please login or register an accountlogin or register an account Topic: HELP - tonearm with no offset, overhang or side thrust. I dont have one so I "imagined" that 9. That's a little We do a range of unipivot tonearms, 10” (222mm centre distance) and 12” (294mm centre distance). Sex: Male. Overhang is 15mm. Overhang 12,82mm eff. 8 deg offset they list still doesn't really calculate into one of the common alignments, though would work OK as a custom alignment, as below, though pretty high distortion at the inner radius if you play a record cut close to the label, I wonder if that is the alignment that Allen Perkins advocates in his designs Remember, there is about 15 mm of overhang on Grace, and about 18 mm of overhang on Thorens, so effective length of Grace arm is 237 mm or 9. In other words, if you align those arms with a Stevenson protractor the cartridge is likely to sit squarely, or very close to squarely in the headshell. If you plan on keeping the turntable for a long time I would suggest mint protractor. ). To use the resonance evaluator simply enter your tonearm's effective mass in the text box and press submit. Thereby the differences between the two arms are subtle yet still clearly audible. This is gained with offset angle of 24°, and The static balanced “S”-shaped approximately 8” arm terminated with an H-4 Bayonet mount head shell has an effective length of 224mm, an overhang of 19. The Align it DS3 comes with 3 different alignment geometries. "i upgraded the tone arm , so the I will assume that you move the base of the tonearm to achieve underhang. Remember to only change the overhang on the inner grid and only the angle on the outer one. That overhang is for their Stevenson geometry. How to calculate tonearm geometry. WvL said: ↑. 5mm; Offset angle 16. 5 mm, with an overhang of 18. What can we read in your Technics The Cornet 1 tonearm shares most of the same performance features of the more expensive Cornet 2 – long grain Carbon fiber, Unipivot design, in-line headshell and a magnificent marriage of materials. All you have to do is input the span of the beam, the magnitude of the point loads, and their distances from support A. 5 mm overhang and 15. 5-227mm and the stock offset angle of By knowing and using the correct overhang for a particular tonearm initially, you save a lot of time though as now all you have to do is adjust the offset angle a bit and you're on. 2 = 222. The “effective length” is equal to the pivot to spindle distance plus the overhang. The Reed 5A first saw light of day in prototype form at the Audio Gourmet show in Vilnius in 2019. You could then mark the null points on a piece of card for a custom The eff. This unique tonearm alignment template allows you to check the tonearm geometry of turntables and optimize cartridge installation (alignment and overhang) to limit pickup distortion to a minimum. All tonearm specifications include the required Mounting Distance. , you coud try to extend your headshell by placing a small plate to which the cartridge would be attached. Leonthepro Skeptically Optimistic. This would require a headshell which is only ~3cm in length and such a thing doesn't exist. Location: Wisconsin. To calculate the resonance frequency of your tonearm / cartridge combination, you can use the formula Resonant Frequency = 1000/[6. This is just a guide if you don't have a turntable manual. Angle "a" is 90° minus the cartridge offset angle (24. Distortion due to tracking error can be minimized by bending the pickup arm, or cranking the cartridge relative to the axis of the To determine the proper overhang at a specified mounting distance, one can use Alignment Calculator Pro. Fix tonearm cable onto turntable ensuring that there is adequate cable to allow for zero points due to the use of different parameters in calculation. Female. L. another because I wasn't actually sure if they were identical pieces of plastic. It can vary depending on the length of the tonearm Calculation. To further satisfy your curiosity of why a longer arm is sometimes declared better for tracing than a shorter arm, here are a few other points to consider. Plug in the numbers of your table and tonearm and get a custom printed out protractor. udip vykzgd jookp advl ilyb hbxc wxsbxx bkoipw mgnfo ios