Vinyl Asylum

Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ.

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RE: Heads Up!

Posted by John Elison on June 6, 2017 at 11:58:34:
I think your theory is wrong!

> It's a very light arm with great bearings.

You might be right about its bearings but you are dead wrong about its mass. It has medium/high effective mass. Therefore, it's a heavy arm with regard to effective mass.

The SME III and the Infinity Black Widow are examples of light arms or low mass arms. The SME 300 Series are considered medium mass tonearms. In other words, tonearms with effective mass in-between 9-grams and 14-grams are considered medium mass tonearms. The FR 54 has effective mass of 16-grams and is therefore verging on high effective mass. It is not a light arm.

Do you know how much the FR 54 headshell weighs? If you have a digital scale perhaps you can weigh it. I doubt the new headshell is more than 6 or 7-grams heavier than the original FR 54 headshell. At any rate, AudioSoul is using his FR 54 with a low-compliance Denon DL-103 cartridge. Many inmates here believe that the DL-103 sounds best in high-mass tonearms so it should be a good match for the FR 54 and the new headshell.

As far as I can tell, reality and theory always agree with each other as long as you use the correct theory.

Best regards,
John Elison