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changes for MOTM: SW1 4w rotary was changed for my panel to a norlen rotary switch.
the BOm miss 1x TL071 and
Schematics:
Trimming:
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changes for MOTM: SW1 4w rotary was changed for my panel to a norlen rotary switch.
the BOm miss 1x TL071 and
Schematics:
Trimming:
...