Audio Research REF150 Datasheet download pdf (Page 2)

SPECIFICATIONS

POWER OUTPUT: 150 watts per channel continuous from20Hz to 20kHz. 1kHz total harmonic distortion

typically 0.6% at 150 watts, below 0.03% at 1 watt. Approximate actual power available at ‘clipping’ 160 watts

(1kHz). (Note that actual power output is dependent upon both line voltage and ‘condition’ i. e.: if power line has

high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very

critical.)

POWER BANDWIDTH: (-3dB points) 5Hz to 80kHz.

FREQUENCY RESPONSE: (-3dB points at 1 watt) 0.5Hz to 120 kHz.

INPUT SENSITIVITY: 2.0V RMS BAL for rated output. (24 dB Bal gain into 8 ohms.)

INPUT IMPEDANCE: 300K ohms Balanced.

OUTPUT POLARITY: Non-inverting. Balanced input pin 2+ (IEC-268).

OUTPUT TAPS: 16 ohms, 8 ohms, 4 ohms.

OUTPUT REGULATION: Approximately 0.6dB 16 ohm load to open circuit (Damping factor approximately 14).

OVERALL NEGATIVE FEEDBACK: 14dB.

SLEW RATE: 13 volts/microsecond.

RISE TIME: 2.0 microseconds.

HUM & NOISE: Less than 0.1mV RMS – 114dB below rated output (IHF weighted, input shorted).

POWER SUPPLY ENERGY STORAGE: Approximately 1040 joules.

POWER REQUIREMENTS: 105-125VAC 60Hz (210-250VAC 50Hz) 730 watts at rated output, 900 watts

maximum, 420 watts idle.

TUBES REQUIRED: 4 – Matched pair KT120 – Power Output; 4 – 6H30 Driver.

DIMENSIONS: 19" (48.3 cm) W x 8 ¾” (22.2 cm) H x 19 ½ ” (49.5 cm) D. Handles extend 1 ½” (3.8 cm) forward.

WEIGHT: 75 lbs. (34.2 kg) Net; 90 lbs. (41 kg) Shipping.

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Audio Research REF150 Datasheet Page 2