Originally posted by charlie:
is the noise issue a gain structure problem I could fix with adjustable gain on the amps? I will have adjustable gains there.
If you are able to turn down the level control of you power amps while keeping the trims and main volume on the 950 at "00" or below, and get a volume level you're happy with, you will reduce the hiss by the amount you reduce the level on the power amps.