nashkato said:finally i got rid of the hum ;D
unfortunately i cannot say what i did exactly , cause i changed several things at a time , but i definetly was a grounding issue.
thanks to all who tried to help me .
matta said:
On the attached schematic is the output cap is set to 0.33-0.68uF. I settled initially on 0.47uF but noticed there is a sharp drop off at 20Hz, like 20dB so I increased it to 0.68uF and it opened it up a bit, but still lacking in the low end a bit, which would be nice on kick drum/bass etc.
Is it safe to go even larger, or are there other places to tweak the circuit that are a better option?
Front capsule side works when I switch leads. It's so weird that my first mk7 did the exact same thing. Maybe I'm getting the 1nf cap too hot when soldering it?shabtek said:Front side of capsule?
Maybe something is shorting out--capsule?
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