[LAU] Ground lifts, TRS, etc. to PA? USB/other signal crossover to audio?

Ralf Mardorf ralf.mardorf at rocketmail.com
Fri May 9 03:40:03 UTC 2014

It's impossible that a ground lift has got any effect when using MIDI
connections, since MIDI

1. only one sided is connected to ground, the other end is undone
2. is optical decoupled

If a ground lift has got any positive effect, something likely seriously
is broken in a life-endangering way.

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