Mint Protractor for the Classic Toneram 10.5i-SE

There was a question brought up about the Effective Mass of the VPI tonearm. I did receive information directly from VPI that the effective mass of the Classic 3 tonearm is 11.1 grams. That arm is called the JMW-Classic 3 damped stainless steel tonearm. At the time I received this information I tested it. I computed the resonant frequency with the calculator based on my tonearm, cartridge compliance and weight. I then then tested it with a test record and the frequencies came out very similar. I therefore convinced myself that the effective mass information for the classic 3 tonearm was correct.

For the Classic 1 the effective mass I have seen stated as 10.5 g, 11.2 g, and 12.3 g. No information as to the material it is made of. However, it is very comforting to see that VPI has definitely got better about providing consistent information regarding its products. They've also improved their customer service with regard to answering phone calls. It used to be all but impossible to get them to answer the phone, but this is no longer the case. It seems to have coincided with Mat Weisfeld's joining the business.

I have a new VPI Classic 3 on order. Does anyone know what the S2P is? I've read 258 and 262. Mine is being manufactured right now by VPI. :)

I want to buy one of the AccuTrak Protractor. Just not sure if I need the 258 or 262.

Anyone know?

Thanks,

Mike

258 mm