Up for sale is my beloved Audio Research VT-100 mkiii amplifier. The unit is in great shape and has been listed as a 7 due to a very light scratch on the bottom of the front face plate near the on/off switch (see photo), which is not visible from more than a few feet away. Otherwise, it's a solid 8.
The 6550 power tubes were recently replaced with a matched set from Audio Research and have approximately 200 hours on them. I can provide a receipt as proof if requested. I will also include the previous set of power tubes, as they are still in good condition.
I just upgraded to a set of mono blocks and don't have the room for the VT100 in my system.
Please feel free to contact me w/ questions. Buyer pays PayPal and shipping fees.
The specs from the ARCDB website are below:
Power output 100 watts per channel continuous from 20Hz to 20kHz.
Power bandwidth (-3dB points) 15Hz to 80kHz
Frequency response (-3dB points at 1 watt) 1Hz to 100 kHz
Input sensitivity 1.9V RMS (Bal or SE) for rated output. (23.5 dB gain into 8 ohms.)
Input impedance 200K ohms Balanced, 100K ohms Single-ended.
Output taps 8 ohms, 4 ohms
Output regulation Approximately 0.8dB 8 ohm load to open circuit
Overall negative feedback 10 dB
Damping factor 11
Distortion 1kHz total harmonic distortion typically 1% at 100 watts, below .05% at 1 watt
Slew rate 15 Volts/µs
Rise time 3 µs
Hum & noise Less than 0.5mV RMS 95dB below rated output (IHF weighted, input shorted)
Power supply energy storage 540 joules
Power requirements 105-125VAC 60Hz (210-250VAC 50Hz) 585 watts at rated output, 750 watts maximum, 380 watts at "idle"
Tube complement (4 matched pairs) 6550C power output, (4) 6H30
Dimensions 19" (48.3 cm) W x 8.75" (22.2 cm) H x 19.5" (49.5 cm) D. Handles extend 1.5" (3.8 cm) forward
Weight 65 lbs. (29.5 kg) Net; 83 lbs. (37.7 kg) Shipping.
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