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Post subject: bias scxd question
Posted: Sat Feb 06, 2010 1:48 pm
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Joined: Sun Apr 05, 2009 1:26 pm
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hi,i had stock power tubes in my scxd,they are groove tubes,i decided to swap the power tubes with jj 6v6s,i have a dual bias probe that tests plate voltage and tube current,when i installed the bias probe to check the tube current it was 35mv reading on the gt's,so i replaced the gt's for jj 6v6s and then tested the tube current again it read 36.2mv,is that an acceptable bias range or should i bump it up to the recommended 40mv,i tried the amp at that rating of 36.2mv and it sounds pretty good!

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