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Old 4th April 2011, 04:06 PM   #1
DocTony is offline DocTony  United States
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Default Adcom GFA-555ii Power Amp
I recently rebuilt 1 channel with great success. Does anyone know the correct bias for the output. The new rebuilt one is reading 5.7mv and the old side 3.7mv. Thank you
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Old 4th April 2011, 05:34 PM   #2
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Quote:
Originally Posted by DocTony View Post
I recently rebuilt 1 channel with great success. Does anyone know the correct bias for the output. The new rebuilt one is reading 5.7mv and the old side 3.7mv. Thank you
My service manual states:
set to 10mV +/- 1 mV on a fully warmed up unit.
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Old 29th September 2011, 09:30 PM   #3
drdagor is offline drdagor  United States
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AND be sure to use a VTVM or modern meter with incredibly high impedance.
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