Thread: Ts4d Motorola
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  #19  
Old 03-26-2018, 03:40 PM
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timmy timmy is offline
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Quote:
Originally Posted by jr_tech View Post
What do you hear if you disconnect the grid (pin 2) of the 25L6 audio output tube.

jr
I didn't disconnect anything else but pin 2 of the 6sq7, still humming.
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