Audio Research VS-110 Tube Power Amp

Up for sale is a nice Audio Research VS-110. I am the second owner of this unit. Everything is included I also added a bias tool for it because the original one got lost. Works great, sounds great too! comes in original box. 
specs:   Power output100 watts per channel continuous from 20Hz to 20kHz. Approximate actual power available at "clipping" 120 watts (1kHz)Power bandwidth(-3dB points) 10Hz to 40kHzFrequency response(-3dB points at 1 watt) 0.8 Hz to 40 kHzInput sensitivity1.1V RMS Single-ended for rated output. (28dB gain into 8 ohms)Input impedance100K ohms Single-endedOutput tapsFive way binding posts for 0-4-8 OhmOutput regulationApproximately 0.9dB 8 ohm load to open circuitOverall negative feedback12.7 dBDamping factor11Distortion1kHz total harmonic distortion typically 0.5% at 100 watts, below .05% at 1 wattSlew rate6 volts/microsecondRise time10 microsecondsHum & noiseLess than 0.2mV RMS - 103dB below rated output (IHF weighted, input shorted)Power supply energy storage332 joulesPower requirements105-125VAC 60Hz (210-250VAC 50Hz) 620 watts at rated output, 900 watts maximum, 400 watts at "idle"Tube complement(4 matched pairs) 6550EH power output, (5) 6N1P input and driverOtherVoltmeter test points for bias
12 VDC in/out trigger
Detachable 14 gauge AC line cord with IEC socketDimensions17.5" (44.5 cm) W x 7.9" (20.1 cm) H x 19" (48.3 cm) D. Rear connectors extend .88" beyond chassis