Tube DIY Asylum

Posted by Allen Wright (M) on May 05, 2008 at 01:23:43

In Reply to: RE: Sounds like... posted by Audiodyssey on May 04, 2008 at 23:18:16

...to stop 6DJ8\s from oscillating...anywhere I;ve used them and that's in a LOT of places, all you need to do it add a 330 ohm resistor RIGHT AT the two grid pin sockets - pin 2 and 7 of the relevant 9 pin socket.

A much simpler job than ferrite beading I would think - and beads don't always make a 'J8 stable in my experience.

It would mean that that socket wouldn't be able to be used to test 9 pin tubes that had different pinouts to a J8, but with 400 to test (WOW), once that's done you could pull the two Rs and be back to normal again.

Regards, Allen

• Please explain this... - Audiodyssey 11:04:14 05/05/08 (4)
  • RE: Please explain this... - Chris O 12:23:21 05/05/08 (3)
    • RE: Please explain this... - Tom Bavis 15:42:00 05/05/08 (1)
      • RE: Please explain this... - Audiodyssey 16:10:14 05/05/08 (0)
    • Exactly... - Allen Wright 13:29:33 05/05/08 (0)

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