AUDIO RESEARCH REF 75 POWER AMPLIFIER

  • 1800.00 £
  • Published date: July 22, 2025
    • Inverness, Scotland, United Kingdom

AUDIO RESEARCH REF 75 POWER AMPLIFIER


⭕ Audio Research REF75 .
Includes original packaging and instruction manual.

Voltage: 210-250V

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.

Phone number ✆ 07911 855021
Inverness, Scotland



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