The Secret Society of Lathe Trolls

This is the best picture I could find of the mounting plate on mine.

[img]http://i.imgur.com/mdNN3.jpg[/img]

[url]http://imgur.com/mdNN3[/url]

http://i.imgur.com/mdNN3.jpg
http://i.imgur.com/mdNN3

(Edit: I fail at posting pictures. Help?)

Is it a B5, or an M5? Mine is the latter, and has an L-shaped plate, 1/8" thick, 1 5/8" x 1 5/8" for the horizontal part, 1 5/8" wide x 1" tall for the vertical part, and offset towards the center of the disc by 1/2". It's attached to the bottom of the A-shaped pivot, held on by screws through a sma...

Spotted on Ebay: an Ortofon DS522 mono feedback head, for $500 Buy It Now.

http://www.ebay.com/itm/Orotofon-DSS522-cutterhead-record-lathe-cutter-vinyl-/150976087299?pt=Vintage_Electronics_R2&hash=item2326e04503

Hi, I'm a long-time lurker, first-time poster. I have a Presto 1D wound for 500 ohms, and reading this manual plus slowly teaching myself electrical theory has helped answer quite a few questions I've had, especially regarding the large bump in response at 4.2 kHz I could never get rid of. It looks ...