The "boat anchor" group on yahoo, specializing in discussions about amps built with the gm70 and 813 tubes.
http://groups.yahoo.com/group/GM70/
GM70 group
1 post
• Page 1 of 1
GM70 group
by kheper » Thu Dec 04, 2008 9:07 am
-
kheper - KT88
- Posts: 1252
- Joined: Wed Dec 21, 2005 10:14 pm
- Location: Philly, PA
1 post
• Page 1 of 1
Who is online
Users browsing this forum: No registered users and 3 guests