Balanced Input Selector

[Nikon1975]

Dear All,

I have a kind of dumb question: how critical is to disconnect also the ground of the inputs in a balanced input selector ? Meaning do I need to use a three way or two way switch ?

Thanks,

Davide

 

[rayma]

how critical is to disconnect also the ground of the inputs in a balanced input selector ?
Meaning do I need to use a three way or two way switch ?

The shield ground isn't normally switched.