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RE: Would Volt regulator IC contribute harsh sound(IMD) ?

Posted by Michael Samra (D) on February 9, 2017 at 15:30:17

In Reply to: Would Volt regulator IC contribute harsh sound(IMD) ? posted by Eric Chan on February 8, 2017 at 19:45:30:

I had the following post regarding harsh sound existing on the BAT 6h30+6c33c amp, harsh sound go away after 2.5hour warm up.

In this case, the only thing that will cause that is tubes or bias.The 6H30 is definitely suspect but what may be happening is the 6c33c tubes are coming into balance after a long warmup.They are probably mismatched on initial warmup. Keep in mind that harshness is a form of high frequency distortion so I would try tubes first.

"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

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