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In Reply to: Re: Dynaco ST-70: upgrading using mod kits or replacing existing parts? posted by mutescream on July 25, 2002 at 13:33:37:
This is for the neg. bias supply in the ST70. Are you saying that your preamp has a neg. bias supply for the output tubes, and that changing diodes made an improvement?Jim
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Follow Ups
- Re: Dynaco ST-70: upgrading using mod kits or replacing existing parts? - Jim Carlon 07:44:07 07/26/02 (0)