AUDIO RESEARCH REF 75 POWER AMPLIFIER

  • 2500.00 £
  • Published date: September 15, 2025
    • Darlington, Durham, United Kingdom

AUDIO RESEARCH REF 75 POWER AMPLIFIER


⭕ Audio Research REF75 due a recent upgrade, in excellent condition, check photos
Includes original packaging and instruction manual.
First owner, 3 years old and has had less than 600 hours in my living room which is a smoke and pet free environment.
Voltage: 210-250V
RRP: £7998
Description: Tubed power amplifier.
Tube complement: four KT120, two 6H30.
Maximum output power: 75Wpc continuous,
20Hz-20kHz (18.75dBW into 8 ohms).
Total harmonic distortion (1kHz): typically 0.6% at 75W, <0.05% at 1W.
Power bandwidth: -3dB, 7Hz-60kHz.
Frequency response at 1W: 0.7Hz-75kHz, -3dB.
Input sensitivity: 1.4V RMS, balanced, for rated output (25dB balanced gain into 8 ohms).
Input impedance: 300k ohms, balanced. Slew rate: 10V/µs. Risetime: 4µs.
Power-supply energy storage: ca 520 joules.
Dimensions: 19 (483mm) W by 8.75 (222mm) H by 19.5 (495mm) D.
Handles extend another 1.5 (38mm) forward.
Weight: 47 lbs. (21.3kg) net, 63 lbs (28.6kg) shipping.

Phone number ✆ 07388 299784
Darlington, Durham



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