Audio Research VT80 Power Amplifier

Power output:

75 watts continuous, 7-60K Hz

Channels:

Two Channels

Inputs:

Single pair of RCA (unbalanced) jacks and single pair of XLR (balanced) jacks

Input sensitivity:

1.4V RMS for rated output (25dB balanced gain into 8 ohms)

Input impedance:

300K for balanced inputs, 150K for (unbalanced) RCA inputs

Outputs:

R/L 5-way binding posts for 4 or 8 ohm loads

Output polarity:

Non-inverting referenced to balanced input pin 2+ (IEC-268)

Damping factor:

Approximately 8

Power supply:

350 joules

Channel separation:

112dB (an excellent spec)

THD + Noise:

1% at clipping, typically <0.05% through usable power output

Hum + Noise:

-112dB (measured with no signal, input shorted)

Overall negative feedback:

15dB

Slew rate:

10v / microsecond

Rise time:

4.0 microseconds

Frequency response:

7Hz-60khz +/-3dB

Controls:

Power on/off – auto shut-off on/defeat – Bal./Single-ended – 12V trigger

Preferred ambient air temperature:

<86oF

Power consumption:

230 watts, idle – <1 watt, sleep – 410 watts, rated output

Supply voltage:

120 or 240 Volts

Tube complement:

Two matched pairs of KT-120, Two 6H30 drivers