« previous next »
Pages: [1]   Go Down

Author Topic: 74 sonic I-40 bias  (Read 2480 times)

0 Members and 1 Guest are viewing this topic.

Offline Tele-v

  • Jr. Member
  • **
  • Posts: 2
74 sonic I-40 bias
« on: March 12, 2002, 08:34:00 pm »
Anyone know the bias setting for a 74 sonic I-40?
Report to moderator   Logged

Offline Greg Z

  • Full Member
  • ***
  • Posts: 80
74 sonic I-40 bias
« Reply #1 on: March 12, 2002, 09:34:00 pm »
Factory spec calls for -55v on the grids of the output tubes.
Report to moderator   Logged
Greg Z
to thine own sound be true
 gmz79-at-aol.com
Pages: [1]   Go Up
« previous next »