Out of Stock

Audio Research Reference 75se

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As new, near new valves

£10,998.00 £5,500.00


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Winner of numerous awards, 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.

At the heart of the Reference 75 SE is decades of proven Audio Research vacuum tube technology, a
legacy unrivaled by any other manufacturer of tube electronics. Developed through hundreds of hours of critical listening, the carefully selected components comprising the Reference 75 SE combine to provide an amplifier which transcends traditional hi-fi, instead relaying music with realism and tangibility.

Visually, the Reference 75 SE hearkens back to past Audio Research products, taking inspiration from
earlier amplifer designs. With its two large VU meters, which display power output as well as provide bias adjustments, the Reference 75 SE has a timeless appearance resembling precision laboratory equipment and an overbuilt, industrious aesthetic. Offered in both natural aluminum and black finishes, the understated look will complement any system.

Brand: Audio Research

Model Name/Number: Reference 75se

Price (RRP): £10998

Choice Hifi Price: £5500

Product Information:

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.

Approximate actual power available at ‘clipping’ 76 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) 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

Specifications

Dimensions:

width height depth

19” (48.3 cm) 8.75” (22.2 cm) 19.5” (49.5 cm)

Handles extend 1.5” (3.8 cm) forward

Weight:

47 lbs. (21.3 kg) Net
63 lbs. (28.6 kg) Shipping

Age: 3.5 Years

Condition: 10/10

Voltage: N/A

Finish/Colour: Silver

Packaging? Yes

Accessories? Yes

Item Location: In Stock

Status: Second Hand

Dimensions 5708473 cm