Onkyo Integra TX-DS939

Top of the line AV receiver has the ability to bypass all of the DSP inputs and go direct into the 5 x 150 watt amplifiers. A massive Toroidal Core Transformer built-in to supply enough power to use all amplifiers fully driven. 3 of these are used in the rack for a total 15 channels.

Onkyo Integra M-502
Top of the line power amplifier.  Delivers 2 x 140 watts with a huge transformer.

Technics
Stereo Amplifier 2 x 100 watts

ALESIS RA-100
Reference Amplifier 2 x 75 watts

Total 23 channels

Behringer EP2000
Europower used to power the 2 subwoofers
2,000 Watts @ 4 Ohms in Bridge mode

Behringer
Ultragraph FBQ-Pro FBQ3102 Graphic Equalizer
Used in the bass channel to separate high and low frequencyies. Has a separate subwoofer output on the rear.

Mackie
1604VLZ
Two 1604vlz are used to mix all the various signals from the computer to their respected amplifiers.
Channels are: Tibia x 4, Main x 4, Brass x 2, Reeds x 2, String x 2, Percussion x 2, Toy Counter x 2, Bass Hi Freq x 2, Reverb Front x 2, Reverb Rear x 2.

This system works very well, is silent (no background noise / hiss) and can be extremely loud if wanted but is very clean ( not a hint of distortion) at normal volumes which is what I was aiming for.