Responses from rdg238

HT Proc/Preamp to Analog Preamp w/o passthru?
Yes, that might be the best solution so far without spending additional money.Another alternative is to stop using balanced output connections on the back of the surround processor and switch to single ended straight into the amp for the front mai... 
Mac-Mini to Home Stereo Sounds Harsh
Thanks to all for your help! It does appear my TOSLINK setup is introducing the problem. I have ordered the HAG USB which will hopefully remedy the problem. Thanks again.