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Post subject: info for hotrod deluxe owners
Posted: Wed Jan 20, 2010 3:44 pm
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Hobbyist
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Joined: Sun Apr 05, 2009 1:26 pm
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info i sent to bob at eurotubes:

bob,i had 6l6 jj in biased at 88mv,plate voltage 435 in my hotrod deluxe,when i went to change to 6v6 jj the reading came up saying 41.7 mv
i use a amp-head bias probe,dual unit,it does plate voltage and tube current,i took the 6l6 tubes exactly how they were biased out,connected the dual bias probe with the 6v6 tubes and reading was what i said 41.7 mv and 410 plate voltage!...... i find that odd as i really didn't need to re-bias!.... but amp sounds pretty darn good exactly how it was without re biasing! does that make sense!

Hi John:
Correct, 6V6’s make less power and dissipate less heat thus the lower bias and we find quite often that the bias will fall into an acceptable window as yours did.
Thanks Bob
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Posted: Wed Jan 20, 2010 4:21 pm
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Thanks for bringin the info back, its appreciated!

Well there you go, I thought it would have to be turned down for sure. Thats whats great about this forum. Something new every day!

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