audio research
V70

Description
Hybrid tube/FET stereo power amplifier. Triode. Balanced inputs and a soft turn-on feature.

Introduced
1992

Discontinued
?

Revisions
-

Options
-

MSRP (US new retail)
$3,995

Specifications

Power output 60 watts minimum continous at 16 ohms from 15 Hz to 20 kHz with less than 1.0% total harmonic distortion (typically less than .005% at 1 watt). Approximate actual power available at "clipping": 62 watts (1 kHz).
Power bandwidth (-3dB points) 12 Hz to 40 kHz
Frequency response  
Input sensitivity 1.1V RMS balanced for rated output
Input impedance 400 kOhms balanced
Output taps  
Output regulation Approximately 0.3 dB 16 ohm load to open circuit
Overall negative feedback 20 dB
Damping factor 30
Distortion <1.0%
Slew rate 20 volts/microsecond
Rise time 2.0 microseconds
Hum & noise Less than 1.0 mV RMS -90 dB below rated output (20 kHz bandwidth unweighted, inputs shorted).
Power supply energy storage 280 joules
Power requirements 105-125 VAC 60 Hz (210-250 VAC 50 Hz) 500 watts at rated output, 700 watts maximum, 370 watts at "idle"
Tube complement (4 matched pairs) KT90, (4) 6FQ7/6CG7
Other  
Dimensions 19" (48 cm) W (standard panel rack) x 7" (18 cm) H x 15 3/4" (40 cm) D (front panel back). Handles extend 1 5/8" (4.1 cm) toward of the front panel. Output connectors extend 1" behind rear panel.
Weight 63 lbs. (28.64 kg) Net. 76 lbs. (34.55 kg) Shipping.

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