mm. THE REGA BAERWALD ARC PROTRACTOR download this protractor at: designed by seb donate to his paypal account. Free Protractor To Align Your Turntable Cartridge! Baerwald, Stevenson, and others came along later, and each published alignment geometry equations. I did my best with the included protractor to align the cart properly, but the Technics doesn’t quite use a Baerwald alignment. I wound up with.

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Aligning cartridge using Baerwald protractor

The trick is to have the cartridge mounted prorractor that the needle aligns perfectly on BOTH dots without moving the protractor. When correctly set, the stylus will have a near perfect groove tangency at two points on the record, minimizing tracking error between and beyond the null points. I was first sent a defective cartridge so I got two opportunities to set it up. Other types of measuring devices exist but the reader will need to discover these.

These are also spreadsheet input cells, but initially they protrctor linked to the corresponding calculator cells, I3, O3, and Q3 so the calculator controls the entire spreadsheet. Stopped using the stabilizer, no difference. Protrator AdamsJan 29, prptractor As with the overhang adjustment, leave the fasteners just slack enough to make the rotation but snug enough to hold position. It is based upon the Baerwald calculations for minimum tracking error when using a pivoted tonearm.

This has been an interesting topic for me. When I tried then on my old TT I seemed to get close but never perfect so the needle would drop in both points while remaining aligned in the grid.


With the platter immobilized, the protractor will be rotated to check adjustment at each null point.

Thanks for the correction. Using the VPI jig I only have to deal with the one alignment grid much easier than the 2 point protractors. That is my point.

I used a paper Baerwald protractor and played a record all the way through and didn’t notice any distortion at all.

I compared the first alignment done by the dealer with the jig and it was off both in the alignment with the grid and the azimuth were off, so much for baetwald faith. Any tips protracttor how I can get this right without tearing my hair out or driving the 75 miles back to Pittsburgh and asking the repair guy I bought it from to fix my mess? This will involve some averaging of the zenith angle between the two points, but basrwald stylus should find exact center over both null points. AntaresJan 29, To adjust mounting length, loosen the fasteners ‘just enough’ to allow the cartridge to be protrcator in either direction within the headshell until the stylus is centered over the null point.

It is not the purpose of this page to study or attempt to explain the difference between different alignment theories. Depending on how well you align baerdald sightline you may be way off. If this is done, the calculator operates autonomously from the rest of the spreadsheet.


So my main point is when you are aligning with the grid it all hinges on how good your eyesight is.

Please do not enter numbers into any other cells; otherwise you may destroy important equations that enable the spreadsheet to function properly. DarkAuditJan 29, There is plenty of room for guess work. I recommend that this very important mounting distance, prltractor, is checked and compared to the tonearm manufactures specification.

I laid a straightedge down on the grid to help me gain a better perspective. I ordered the Technics overhang gauge, and printed out the Technics protractor from Vinyl Engine. They are the three yellow cells, I3, J3, and K3 in the calculator at the top of each page, and the three tan cells, A3, B3, and Protractoor, which control the graph and the rest of the spreadsheet.

In effect the cartridge can’t be moved forward enough to reach the null point.

Free Turntable Cartridge Alignment Protractor And Speed Discs

Where did you get that? Sounds so much better on the D2 than the M97xE I’m fighting with now.

Other than that, have fun calculating. Deuce66Jan 28, Click here for cartridge alignment tool.

For one example of a gage that measures ‘pivot to spindle’, link here.