Audio Research

REF75SE

The Reference 75 SE is a stunning amplifier in every way – performance, styling and reliability combined to elevate your music listening to a new experience.  Capable of controlling a wide variety of speakers, the Reference 75 SE will transport you into the musical performance unlike any other comparable amplifier. **Price In USD**

Regular price $10,000.00
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The Reference 75 SE is a stunning amplifier in every way – performance, styling and reliability combined to elevate your music listening to a new experience.  Capable of controlling a wide variety of speakers, the Reference 75 SE will transport you into the musical performance unlike any other comparable amplifier. **Price In USD**

  • POWER OUTPUT: 75 watts per channel continuous from20Hz to 20kHz. 1kHz total harmonic distortion typically 0.6% at 75 watts, below 0.05% at 1 watt.
  • POWER BANDWIDTH: (-3dB points) 7Hz to 60kHz.
  • FREQUENCY RESPONSE:(-3dB points at 1 watt) 0.7Hz to 75 kHz.
  • INPUT SENSITIVITY: 1.4V RMS BAL for rated output. (25 dB Bal gain into 8 ohms.)
  • INPUT IMPEDANCE: 300K ohms Balanced.
  • OUTPUT POLARITY: Non-inverting. Balanced input pin 2+ (IEC-268).
  • OUTPUT TAPS: 8 ohms, 4 ohms.
  • OUTPUT REGULATION:Approximately 1.0dB 8 ohm load to open circuit (Damping factor approximately 8).
  • OVERALL NEGATIVE FEEDBACK: 15dB.
  • SLEW RATE: 10 volts/microsecond.
  • RISE TIME: 4.0 microseconds.
  • HUM & NOISE: Less than 0.06mV RMS – 112dB below rated output (IHF weighted, input shorted).
  • POWER SUPPLY ENERGY STORAGE: Approximately 520 joules.
  • POWER REQUIREMENTS: 105-125VAC 60Hz (210-250VAC 50Hz) 410 watts at rated output, 500 watts maximum, 230 watts idle.
  • TUBES REQUIRED: 2 – Matched pair KT150 – Power Output; 2 – 6H30 Driver.
  • DIMENSIONS: 19" (48.3 cm) W x 8.75" (22.2 cm) H x 19.5" (49.5 cm) D. Handles extend 1.5" (3.8 cm) forward.
  • WEIGHT: 47 lbs. (21.3 kg) Net; 63 lbs. (28.6 kg) Shipping.