What are the specs for the Audio Research VT60?

Power Output:

50 watts minimum continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 50 watts, below .05% at 1 watt. Approximate actual power available at "clipping": 52 watts (1kHz)

Power Bandwidth:

(-3dB points) 15Hz to 40kHz

Frequency Response:

(-3dB points at 1 watt) 3Hz to 40 kHz

Input Sensitivity:

1.05V RMS for rated output

Input Impedance:

100K ohms unbalanced

Output Taps:

-

Output Regulation:

Approximately 0.6dB 16 ohm load to open circuit

Overall Negative Feedback:

19dB

Damping Factor:

Approximately 14

Distortion:

1kHz total harmonic distortion typically 1% at 50 watts, below .05% at 1 watt.

Slew Rate:

7 V/µs

Rise Time:

10 µs

Hum & Noise:

Less than 0.5mV RMS - 95dB below rated output (IHF weighted, input shorted)

Power Supply Energy Storage:

Approximately 184 joules

Power Requirements:

105-125VAC 60Hz (210-250VAC 50Hz) 265 watts at rated output, 300 watts maximum, 175 watts at "idle"

Tube Complement:

(2 matched pairs) 6550B power output, (2) 6922 driver, (1) 6922 input

Dimensions:

VT60: 14" (35.6 cm) W x 7" (17.8 cm) H x 13.3" (33.8 cm) D. Output connectors extend 1" (2.5 cm) to the rear.

Weight:

VT60: 32.7 lbs. (14.9 kg) Net; 48 lbs. (21.8 kg) Shipping. VT60SE: 36 lbs Net.