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In Reply to: Thanks posted by dhieber on October 20, 2015 at 15:15:02:
The negative supply under the common cathodes of the input stage forces the two triodes to share the current set by the adjustment of the cathode current source between them, making the currents through the triodes an accurate reflection of the differential grid voltage (until input stage slipping is reached).
Kevin Carter
K&K Audio
www.kandkaudio.com
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- RE: Thanks - KevinC 09:12:48 10/26/15 (0)