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In Reply to: Dynaco ST-70: upgrading using mod kits or replacing existing parts? posted by newbie on July 24, 2002 at 10:26:20:
Most people agree the Sovtek 5AR4 and 7199 tubes are at least OK. For the output tubes though, you can do better than Sovtek. Svetlana EL34 or JJ-Tesla E34L are much better regarded on AA. I agree with the other comments, go slow with your upgrades so you can savor each improvement (or know what to undo if it makes the sound worse!)
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Follow Ups
- Re: Dynaco ST-70: sovteks/svetlanas or JJ - JJ Analog 13:17:01 07/24/02 (0)