“From the tech:
“Ensemble makes constant drone noise, lowest D#. When tremolo is on the signal is cut.
Pin 20 of IC on Module 7 has been disconnected. It is internally shorted to pin 19, causing tigger/decay circuit of D#1 to not function. IC on module 2 needs replacing. Part cannot be easily found besides 2nd hand (ebay, etc). AMI S10430 Divider-Keyer. D#1 trigger line still connected to module 4. Needs S10430 IC.”” Click here to visit listing on eBay
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