RE: Bias for Marantz 8b

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In Reply to: Bias for Marantz 8b posted by 41kellymack on December 13, 2016 at 20:04:14:

The "bias" mark on my meter sets total current thru each EL34 to 50mA. This value is verified on the schematic as 0.68V across the 6.8 ohm (common per pair) cathode resistor or 100mA total or again, 50mA / tube.

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Follow Ups Full Thread

Topic - Bias for Marantz 8b - 41kellymack 20:04:14 12/13/16 (5)

Before you set the bias on an older amp (or even run it for that matter)!! - Ralph 09:49:53 12/14/16 (0)

RE: Bias for Marantz 8b - Steve O 06:00:45 12/14/16 (1)

RE: Bias for Marantz 8b - 41kellymack 06:40:05 12/14/16 (0)

Marantz 8b User Manual... - RadioWonder 03:24:43 12/14/16 (0)

Take a look at this one... - kootenay 20:23:11 12/13/16 (0)

Follow Ups

RE: Bias for Marantz 8b - Steve O 06:00:45 12/14/16 (1)

RE: Bias for Marantz 8b - 41kellymack 06:40:05 12/14/16 (0)

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