> >Do you have speakers hooked up to the M2's? If so, do you
> hear hum when
> >there's receiver activity?
>
> ...but if you DON'T have speakers connected, have you terminated the
> speaker outputs into 4 or 8 ohm power resistors? I've seen
> Mastr II audio
> PAs go bonkers when those outputs aren't terminated. I
> usually disable the
> entire audio PA by cutting off it's A+ supply so the
> termination is no
> longer necessary (I never use the speaker output).
Doh! Forgot to mention that, been bitten by that one too. There's also a
noticible (measurable anyway) increase in distortion on the receive audio
(VSH) when the speaker is on, and gets worse as you go louder as you might
imagine, even when properly loaded.
--- Jeff
