ST35 RevB Fixed Bias

for the DIY ST35, the Dynakit and every other PP EL84

ST35 RevB Fixed Bias

Postby Blooze » Wed Oct 11, 2023 2:31 pm

I know it's possible to do fixed bias on the RevB board without trying to kludge in the EFB circuit.TerrySmith did it I believe. He basically used the circuit like in the Ike, but I'm not sure what values for all the parts he used on the ST35.

So here's what I have so far, but I'm somewhat lost on the values or if this even is correct. Any help would be appreciated.
Attachments
ST35 RevB Fixed Bias schematic.png
ST35 RevB Fixed Bias schematic.png (142.77 KiB) Viewed 20446 times
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Re: ST35 RevB Fixed Bias

Postby Quad » Fri Feb 23, 2024 11:51 am

Sorry for the late reply, but Gregg Van Der Sluys (geek here) did something similar -

viewtopic.php?f=1&t=4663&p=36634&hilit=minimutt#p36634
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