I am selling my tubes4hifi (aka VTA) driver board. This is the Hi-gain version with the capacitor upgrade. Coupling caps are Spraque SBE, but easily swapped for (insert favorite film cap here).
Tubes NOT included! I am selling because I had to switch to the Lo-Gain version to reduce my system sensitivity. This is my absolute FAVORITE ST-70 driver board! I have heard stock, DIYtube, Curcio, Triode Electronics and Van Alstine and this is my favorite HANDS DOWN!
FWIW, I am a PACE and MIL-2000 certified solderer ...
$100 shipped to the USA
Tubes NOT included! I am selling because I had to switch to the Lo-Gain version to reduce my system sensitivity. This is my absolute FAVORITE ST-70 driver board! I have heard stock, DIYtube, Curcio, Triode Electronics and Van Alstine and this is my favorite HANDS DOWN!
FWIW, I am a PACE and MIL-2000 certified solderer ...
$100 shipped to the USA
Google "tubes4hifi" and I replied to your e-mail. This is plug&play and include the manual (with detailed installation instructions). All you need is tubes! We can negotiate tubes as I have a pretty nice stash that I tube-rolled over the years.
Best part is the individual bias control so you don't need to pay extra for tube matching! It also has an AC balance adjust to dial in the phase splitter crossover point.
Best part is the individual bias control so you don't need to pay extra for tube matching! It also has an AC balance adjust to dial in the phase splitter crossover point.
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