My uncle is giving me this amp. I cannt find too much info ont he net on this other than a few specs: Model Year(s) 91-92 RMS watts per channel, 8 ohms 125 %THD 0.008 %IHF 0.008 IM Rated Power Bandwidth, Hz to kHz 20-20 dB S/N, "A" wtd., Phono ref 5 mV 70 Mono IHF Sensitivity, dBf 11.2 Capture Ratio, dB 1.0 Mono Signal Strength for 50-dB Quieting, dBf 20.2 Stereo Signal Strength for 50-dB Quieting, dBf 40.2 % THD, 100% Modulation, 1kHz, Mono/Stereo or Stereo 0.2/0.3 Only Alt. Chan. Select., dB Wide/Narrow i.f. bandwidth 65 Max. S/N, dB, Stereo 70 Net Weight, lbs. 33.4 MSRP, US$ 1000.00 My question is, this isnt a dolby digital 5.1 amp is it? I have looked at his and it has optical in the back and spots for 5 speakers and no sub output.