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Welcome! Need support, you got it. Or share your ideas and experiences.

RE: I hate my Quads!

Yes I have done hundreds of pairs and sold hundreds more EHT boards for DIYer.

I used to flip the board up to get to the backside to remove R13 and install a new resistor but that is a pain.

Now I just cut R13 from the board. R13 is located next to VDR1. The board has silkscreen component numbers.

Install a 1/4 watt 110K resistor to the yellow EHT wire from the transformer that is closest to the front of the speaker. The other end goes to the ground connection rivet on the board.



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