MOTM

> Paul, I live in a condo, so that's a safe bet!  Turns out a 2-wire
> adapter eliminates the hum, but now whenever I connect a jack from
> the out-board mixer to a module there is a good sized POP.  If I
> first zero the mixer's input level, this becomes just a slight
> "scratch" which is not too objectionable.  Once the mixer's plugged
> in, everything's pretty quiet.

The *only* way to fix this is to use isolation transformers. 1 on the mixer,
1 on the MOTM.
Allied carries these for about $50ea. I have a big-assed honkin' one on my
bench (it 'floats'
the whole test equipment setup).

Paul S.