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In Reply to: Dynaco ST-35 posted by IEaudiodude on March 13, 2012 at 01:04:47:
Yes!! There are some very specific recommendations I have.
The ST-35 runs the output tubes over the dissipation spec for EL-84s, so I recommend the 6P14P-EB/7189 Russian tubes. Excellent tone, incredible durability - and about $55/quad is all.
For the 7247 the JJ 12DW7 is fine. It's one of the few JJ tubes I stock, they're pretty much problem free once they get past my screening, and have a nice tonal balance in combination with the Russian power tubes.
One thing - with the work you are doing BE SURE to replace the cathode bypass cap, C8D on the factory schematic. I recommend you use a good discrete cap, not a section of the quad can. Of course if you do use the Dave Gillespie boards I'm sure that's handled.
Drop me a note if you need more info.
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Follow Ups
- RE: Dynaco ST-35 - Jim McShane 05:33:41 03/13/12 (6)
- Woah, hold your horses there, Jim! - 1973shovel 09:08:14 03/13/12 (5)
- RE: Woah, hold your horses there, Jim! - Jim McShane 10:48:57 03/13/12 (2)
- Your point is well taken - 1973shovel 15:40:28 03/13/12 (1)
- RE: Your point is well taken - Jim McShane 16:16:58 03/13/12 (0)
- RE: Woah, hold your horses there, Jim! - IEaudiodude 09:43:40 03/13/12 (1)
- I think you're making a good choice - 1973shovel 15:47:48 03/13/12 (0)