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Old 6th Feb 2023, 7:21 pm   #4
Ted Kendall
Dekatron
 
Join Date: Jul 2008
Location: Kington, Herefordshire, UK.
Posts: 3,675
Default Re: Help Needed - Armstrong 626 Tuner Amplifier

The usual comments about DC coupled power amplifiers apply here - satisfy yourself that all the semiconductors are in good shape before you power up, otherwise you may go round in circles, blowing up what you have just replaced.
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