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In Reply to: RE: Ella - right tube fiery orange glow posted by mikey115 on June 28, 2009 at 06:51:01
Usually caused by:
1. coupling caps
2. bias control pot
3. tube pin not gripping
anything that could cause loss of bias. Maybe remove power tubes and measure the bias voltage at the socket on each tube.
Brian
DIY - Done Right!
hi brian, thanks very much for the suggestions. i will check it out and revert.
btw, the pec pot has turned scratchy. i like the pec but i think a replacement will over time develop the same problem - how does the stepped attenuator that you have compare to the pec and would that be suitable for the ella?
thanks brian.
mike
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