Audio Research Reference 75
Brand: Audio research
The Audio Research Reference 75 is a high-end, single-ended class A tube preamplifier and phono stage designed by Audio Research Corporation, a renowned American manufacturer of premium audio equipment.The Reference 75 boasts a number of advanced features that set it apart from other preamplifiers in its class, including a fully balanced circuit topology, a stepped attenuator for precise volume control, and a Moving Coil (MC) phono stage with switchable gain and loading alternatives.The amplifier's tube complement comprises eight 12AU7 tubes, two 12AX7 tubes, and eight 6AS7 tubes, which deliver a warm and detailed sound signature. The circuitry is designed to provide a low noise floor and high signal-to-noise ratio.The Reference 75's construction is of the highest quality, with point-to-point wiring, heavy-duty components, and a solid black chassis. The front panel features a classic design, with a large volume control knob, input and source selector switches, and a headphone output jack.Audio Research's Reference 75 is a top-of-the-line preamplifier that delivers exceptional performance in terms of tonality, dynamics, and clarity. It is highly regarded by audiophiles and is considered a benchmark in high-end audio equipment.
- Power Output: 75W (stereo)
- Frequency Response: 1Hz to 75kHz
- Distortion: 0.6%
- Damping Factor: 8
- Speaker Impedance: 4 to 8Ω
- Input Sensitivity: 1.4V
- Signal to Noise Ratio: 112dB
- Dimensions: 483 x 222 x 495 mm
- Weight: 21.3 kg
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