RE: Using Dynaco A420 opt with ST70 kit

K&K Audio / Lundahl Transformers

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In Reply to: RE: Using Dynaco A420 opt with ST70 kit posted by DAK on November 29, 2012 at 10:41:50:

In fact, the only way the K&K ST-70 upgrade works is with cathode bias, but not with a resistor like most, rather with a constant current sink.

Kevin Carter
K&K Audio
www.kandkaudio.com

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Follow Ups Full Thread

Topic - Using Dynaco A420 opt with ST70 kit - DAK 21:36:12 11/25/12 (5)

RE: Using Dynaco A420 opt with ST70 kit - KevinC 04:10:53 11/26/12 (4)

RE: Using Dynaco A420 opt with ST70 kit - DAK 15:03:32 11/26/12 (3)

RE: Using Dynaco A420 opt with ST70 kit - KevinC 16:03:16 11/26/12 (2)

RE: Using Dynaco A420 opt with ST70 kit - DAK 10:41:50 11/29/12 (1)

RE: Using Dynaco A420 opt with ST70 kit - KevinC 12:06:14 11/29/12 (0)

Follow Ups

RE: Using Dynaco A420 opt with ST70 kit - KevinC 12:06:14 11/29/12 (0)

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