2 8ohm 10 watt resistors

Analogluvr · 3077

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Offline Doc B.

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Reply #15 on: February 11, 2017, 06:09:48 AM
If you have not installed the BeeQuiet, I would put that at the top of the list. And I would spend time maximizing isolation from mechanical vibration with lossy mass on the signal tube envelopes, lossy mass on the chassis, and squishy feet under the base.

Dan "Doc B." Schmalle
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Offline Analogluvr

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Reply #16 on: February 12, 2017, 05:07:40 AM
I have done all that. I am running tongsul 6A3 and have the attenuator upgrade. I tried Mundorf coupling caps and now have clarity ones in.   I am waiting for a 6B4G adaptor and then I can try some of those tubes that I have laying around.   Do you find those to be less microphonic than the 6A3?


Offline johnsonad

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Reply #17 on: February 12, 2017, 07:04:57 AM
The Russian 6C4C's were the least microphonic that I found.  Using Dan's method of Herbies Tender Feet tall, double weight rings and dynamat extreme under the chassis  This this didn't due too much) was about as quite as I got it.  Those Russian tubes beat anything I tried for quiet tubes.  Look for a PM from me.

Aaron Johnson

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