Moog Music Forum

Does anyone know how to set the two trimpots on a 909/910 Moog modular power supply? They affect the -6VDC output but both seem to interact. Not sure if one is for overvoltage or current and the other for setting the -6VDC level.

I am restoring three of these . Moog technical has refused to answer ...

Roger,

Did you find the the original power supply could not be restored to original performance? You mention that you can now track more octaves, is this due to
a more stable power supply or other work that was done on your modules? I have a Moog 1C from about 1972 and I have restored my supply ...

I think a company called StackPole used to manufacture the standard sliders. Not sure what happened to this company. I have good overseas contacts and will send some pics and samples
and see what they can find.

Pete Lutz
Woods Cross, Utah

This may have been addressed but...

I have a MOOG 921A and would like to add additional 921B's. Which "clone" manufacturer makes a module
that will work with the original 921A? I understand there are power supply issues. What I need to know is
if the control voltage and pulse width links are ...

This has probably been addressed somewhere in the forum, but I can't find the answer.
I have a Moog 1C with 921 series oscillators. I want to add additional 921B oscillators to
this system. Which of the clone brands will work with the original Moog 921A? I understand
there may be power supply issues ...