Comments for page: Cathode or Fixed Bias

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Posted by Dave April 18, 2011 - 11:36 pm
Thanks for your interest! I hope I am understanding your question correctly, so please let me know if I have not.

In both cases (i.e. the SCA-35 and Heath AA-151), all distortions tests were all made at 1db below rated power output, so the tests would remain in keeping with those used to produce the original published specifications. Therefore, with the SCA-35 tests, the before and after distortion tests were made at a consistent power level between tests, since the "rated" power level did not change. The power output figures shown illustrate the increased maximum power output available at the onset of clipping, as a result of the EFB modification.

I hope this helps!

Dave

Posted by guitbanger April 18, 2011 - 10:17 am
With the EFB mod installed how would the distortion figures compare, running at the same power output as the both channel measurements? Wouldn't that comparison be useful? The bump up of a couple watts is nice to know the figures improve (2 out of 3) but I'd bet that at the same wattage out, the modded figures might show the improvement is significant too?

Posted by Steve L. December 06, 2010 - 08:14 pm
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