Schematic question - what this cap is for ? - diyAudio
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Old 21st December 2010, 11:26 PM   #1
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Default Schematic question - what this cap is for ?

Hi, tube folks,

Anyone can tell me what this cap is for - marked with red circle, C2, 0.01 uF, connected between BIAS supply and cathode of 2nd output tube?

It doesn't seem to be for high-frequency cut off or RF suppression.

This is Sansui AU-111 schematic.

Thanks in advance for any suggestion(s).
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Old 21st December 2010, 11:36 PM   #2
DF96 is offline DF96  England
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Not sure. It looks like it will boostrap one of the 68K bias resistors and anti-bootstrap the other one!
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