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How to bias valves on a Dynavox VR-70E II

JohnnyPen

New Member
Hi,
I have one of these being delivered today, and intend to do some tube rolling. Does anyone here know how to bias new valves on this amp? I can't see anything on photos of the amp, or anybody on any forum saying how they have done it.
Thanks, John
 
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Hi,
I have one of these being delivered today, and intend to do some tube rolling. Does anyone here know how to bias new valves on this amp? I can't see anything on photos of the amp, or anybody on any forum saying how they have done it.
Thanks, John
The schematics i have says 30mA per tube. You have individual trim pots.
 
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