Bottlehead Kits > Kaiju Stereo 300B amp

Issue with A Side C4S Board A [resolved]

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Paul Birkeland:

--- Quote from: giggsy on June 30, 2021, 12:23:03 PM ---I am not getting any DC resistance between ground and the center pin.


--- End quote ---
OK, so if your pot is not properly wired or not well grounded, this can throw things off in weird ways and getting 100V at the driver plate regardless of the bias voltage wouldn't be all that surprising. 

With the trim pots all the way up, you should see about 100K between the center post and ground.

giggsy:
Paul, you are a godsend.
I owe you a bottle of whatever you drink.
The ground cable was not attached properly to the trim pot.
I resoldered and now get correct readings across the board.

Now let's hope that's my one screw up.

Paul Birkeland:
Well, it did take two pages of posts for me to even consider that! I'm glad you got it all sorted. 

giggsy:
I've completed the build and have been listening to the amp for the last hour.
I'm not sure what I was expecting but it sounds wonderful.

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