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RE: CCS with Cathode Resistor in a long tail ?

Unfortunately, you would still need the -15V supply, in fact the Compact Cascode CCS would be returned to the -15V supply and there would be no ground connection as is shown in your existing schematic.

I have no idea why he used 470R cathode resistors and a common CCS. It's not something I have tried.

The change to two CCSs was probably so that the balance between the two halves of the driver could be precisely adjusted by means of the pot. I prefer to select matched triodes. 6N6Ps are cheap!

Kevin Carter
K&K Audio
www.kandkaudio.com


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