Mount the cartridge onto the headshell by the bolts provided, leaving it loose for later adjustment. We favor the arc protractor because it is the most faithful representation of the trajectory of the stylus on the record. Baerwald, stevenson, and others came along later, and each published alignment geometry equations which have been shown to be identical to those. Attached is a pdf protractor i will be using to align my cartridge. Ortofon cartridge alignment protractor make sure your cartridge is aligned correctly with this precision alignment guage. These printable protractors have the added benefit to be transparent images which makes them extremely useful to print on transparencies. The protractor im refering to is not an arc protractor, so i assume that will need to move the protractor to match up to the 2 null points. Proper alignment of your turntable stylus ensures the most accurate reproduction of the recording and stops it from wearing down immaturely.
Besides making handling easier we have enhanced the functionality as well as accuracy. Arc protractors are far superior to classic protractors since they allow. A comparison of phono alignment protractors for cartridge alignment published july 26th, 2014 by gecomtech, germany as generally agreed, the process of aligning a phono cartridge right is a fairly complex one and anything but easy. Therefore a given protractor can be used for any tonearm length. It is important that the mounting hardware not be too loose. Ive got a tech sl1200 and im using the plastic overhang guage which i believe conforms to stevenson alignment. Pats audio tk14 cartridge alignment gauge for dual turntables. Jul 02, 2019 baerwald alignment protractor pdf ok, you say i knew baerwald protractors, loefgren protractors, what is that stevenson its somewhere on the internet, stevenson shed a new light on. The mirrored finish and grid pattern allow you to precisely fix the stylus for the best possible sound with minimum record and stylus wear. In some ways it simply takes the paper alignment gauge to the max, but in a way thats no bad thing.
I have a technics slq303 and a ortofon om5e if that helps. How do i align the cartridge on the atlp120usb and at. Apr 10, 2017 this protractor will align a cartridge to the factory technics alignment, the same that is achieved when using the supplied overhang gauge. Typically i will stick with baerwald lofgren a and, when necessary, stevenson which are determined by the. Home is where my turntable is and everyone should have a two point protractor. Pdf arc protractors, used to align a cartridge to various standard null radii. An alignment protractor should be marked as baerwald or lofgren a, or stevenson.
New audio technica atlp120usb alignment protractor. Buying a stevenson alignment protractor steve hoffman. Recommendations for rega rb700 arm alignmentoverhang adjustment protractor. The alignment protractor for the baerwald alignment is different from the alignment protractor for stevenson alignment. Before aligning your cartridge, make sure your turntable is set continued. Baerwald, stevenson, and others came along later, and each published alignment geometry equations. I cant for the life of me successfully use a paper protractor, ive tried, so for the time being im stuck with the manufacturers recomendation. On this page you can download free cartridge alignment protractors for quick. The rega baerwald arc protractor please explain the way to use this protractor this protractor is an arc protractor. Another universal protractor, this time using the stevenson alignment method. This protractor will align a cartridge to the factory technics alignment, the same that is achieved when using the supplied overhang gauge. Lofgren a or baerwald alignment spreads the distortion across the surface of the. B aerwald alignment protractor instructions create spindle holes where line r intersects 66.
To check the sizing, measure the distance from the crosshairs at the. In a paper stevenson wrote in 1966 pickup arm design, wireless world, may and june 1966 its somewhere on the internet, stevenson shed a new light on cartridge aligment issues. Imagine that the cartridge in a pivoted tonearm travels in an arc. At best, it can provide least count of one degree for smaller protractor and half degree for large protractors. You could probably do just as well making your own protractor.
How do i align the cartridge on the atlp120usb and atlp1240usb turntables. This free turntable setup tool online will assist you with setting up the cartridge geometry on your turntable. Make sure you perform your alignment in at least two places on the arc, one at the beginning and one toward the end. Incorrect alignment can cause distortion and can also cause unwanted wear and tear on your stylus. Screw the gauge tower on the disc and place the protractor on the platter. Ve stevenson protractor 1 free download as pdf file. I made a protractor for my atlp1240usb, and it works fine. At just jiggled the basic math a little bit, and the protractor happens to work.
Many methods have been employed with most of them being wearisome at best, highly susceptible to inaccuracy at worst, or both wearisome and inaccurate. I doubt theres anything special about the at protractor. Custom protractors for turntable cartridge alignment. The rega stevenson arc protractor this protractor is an arc protractor. Geometry to get your protractor you need to know the mounting distance pivot to spindle of your turntable. Alternatively, the pdf files provide protractors with clearer text and sharper lines. How to use a cartridge alignment protractor stevenson.
Aim with the pin in the gauge exactly over the pivot point of the tonearm. Cartridgeheadshell adjustment audiotechnica australia. To do this, you can follow our very smart procedure described in the tutorial page. Cartridge alignment protractor tool phonograph lp phono cartridge stylus alignment protractor tool record lp vinyl with magnifier. Buying a stevenson alignment protractor steve hoffman music. Free turntable cartridge alignment protractor and speed discs. Accutrak arc protractors cartridge alignment made easy. Cartridge alignment procedure when installing a new cartridge or headshell on the atlp120usb or atlp1240usb turntable, leave the mounting hardware just. A comparison of phono alignment protractors for cartridge.
The accutrak utilizes a tonearm specific arc and alignment grids to accomplish what most agree is the easiest and most accurate technique for obtaining a correct cartridge alignment. Moreover this procedure will allow to place the protractor in its exact position which will greatly simplify the alignment of the cartridge. Ive had the db system alignment protractor, wally tractor, both of the feickert protractors, and the acoustical systems. Free turntable cartridge alignment protractors and strobe discs. This quick video gives you an explanation of what is different about the stevenson protractor, the baerwald protractor, and the loefgren protractor. I agree, i have just used the baerwald alignment on my 3 regas posted in rega forum and they sound great. It seems rather similar to the stevenson a protractor i was using, but it produced slightly better results sonically with my new at440mlb cart. There are various tools available for achieving this alignment. This is especially useful for arms which have limited room in the headshell slots and cant be aligned satisfactorily with a baerwald type. May 30, 2017 using stevenson, baerwald, or loefgren protractor is a skill you will need to know if you ever want to change out your turntable cartridge, and each one works in the same way.
Our diskeeper cartridge protractor makes cartridge alignment simple and inexpensive. Ortofon cartridge alignment protractor analogue seduction. The conrad hoffman protractor is a pdf so while printing it, have a ruler ready to measure the actual print. Using stevenson, baerwald, or loefgren protractor is a skill you will need to know if you ever want to change out your turntable cartridge, and. Using their null specs, it looks like this is for exactly stevenson a alignment. A simple protractor is the basic device for measuring angles. Another universal protractor, this time using the stevenson alignment method with null points. On this protractor you can find all three well known, major geometries aka baerwald, lofgren and stevenson. Also known as bevel protractors, set bevels and measure angles with the adjustable arm.
The rega stevenson arc protractor download this protractor at. Phaedrus audio best phono cartridge alignment protractor. Increase or decrease the print scale by as little as 1 to 2% and reprint it. Follow the instructions below to ensure your cartridge is mounted correctly.
I had to check the protractor measurements got them to within 1 mm and yes, the pdf print options had to be changed to actual size, not fit to page. Protractor 10 0 20 30 40 50 60 70 80 90 100 110 120 140 150 160 170 180 90 80 70 60 50 40 30 20 10 0 100 110 120 140 150 160 170 180. Correct cartridge alignment ensures the stylus is positioned properly relative to the grooves on the record. Baerwald alignment protractor pdf ok, you say i knew baerwald protractors, loefgren protractors, what is that stevenson its somewhere on the internet, stevenson shed a new light on. It looks like there is no one best method, so i should not get hung up on doing a stevenson alignment unless the technics experts out there advise otherwise. Jun 29, 2017 this quick video gives you an explanation of what is different about the stevenson protractor, the baerwald protractor, and the loefgren protractor.
A selection of protractors to accurately align a phono cartridge. With this software you can print a very accurate turntable protractor on a piece of paper. Another universal protractor, this time using the stevenson alignment method with null points at 60. However, simple though it may be, the user should follow basic principles of usage to measure angles accurately. Mar 28, 2016 you could probably do just as well making your own protractor. Alignment and protractors vertical tracking angle on the. Rega protractor pdf rega stevenson alignment protractor v. The only problem is that they are designed for a specific mounting distance. The three names above identify the most widely recognised compromises which you choose is up to you, but the protractor allows all three to be tried out which is unusual in itself. How to align your turntable cartridge audiotechnica.
Lofgren a alignment lofgren a inner groove radius 60. Just click on the protractor icon below for an automatic email to be generated. The technics 215mm spindletopivot distance is close enough to at based on others measurements, not given in the manual that a technics protractor should also work. It really makes me wonder what kind of alignment they do on the preinstalled at95e, because theres no way the outofbox, perfectly parallel to the headshell alignment it had would have matched this. Free turntable cartridge alignment protractors and strobe. Use these protractors to measure angles and dimensions.
Arc protractors are far superior to classic protractors since they allow a very precise, rapid and accurate setting of your cartridge. How to use a cartridge alignment protractor stevenson, baerwald. Proper alignment of a turntables stylus needle is needed in order to realize the full potential of the turntable cartridge and stylus system. This allows you to look through the protractor while you use it. Cartridge alignment procedure when installing a new cartridge or headshell on the atlp120usb or atlp1240usb turntable, leave the mounting hardware just loose enough that you can move the cartridge forward and backward in the headshell with moderate effort. When aligning a cartridge for tangency using the alignment protractor, it is essential to remember that you are attempting to align the cantilever and, hence, the stylus, not the cartridge body. Youd just need to know the tonearm length and the mounting distance of your deck. An alignment protractor is used to find the correct distance from stylus tip to tonearm pivot. Its best to print it at a professional print shop with plotter type printer usually used for printing engineering and architectural drawings because theyre. The trick is to have the cartridge mounted so that the needle aligns perfectly on both dots without moving the protractor. When we receive the email, we will send you a high resolution. Using stevenson, baerwald, or loefgren protractor is a skill you will need to know if you ever want to change out your turntable cartridge, and each one works in the same way. Baerwald vs vpi setup protractors audiogon discussion forum. Cartridge alignment protractor correct cartridge alignment ensures the stylus is positioned properly relative to the grooves on the record.
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