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Old August 31st 03, 10:45 PM
W4ZSC
 
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Default Collins 75A3 High grid bias
My Collins 75A3 ceased playing. I measure -115 VDC on the grid of the
audio stages (6AQ5)and it is supposed to be -10 VDC. Plate and screen
grid voltages are fine. Would appreciate suggestions of what the most
likely problem might be.
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