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MP566 Tube microphone preamplifier / Re: signal check fail
« on: January 18, 2022, 10:16:33 AM »
What DC resistance do you measure between pins 8 & 10 on the extender, with the gain switch on LOW (module powered).
Do you see any resistance between pin 8 and pin 5 (0V).
Do you see any resistance between pin 10 and pin 5 (0V).
Do you see any resistance between pin 8 and pin 5 (0V).
Do you see any resistance between pin 10 and pin 5 (0V).