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Audio Research REF 75SE Stereo Valve Amplifier

code: AUDIORESREF75SE
£10,000.00 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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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.

This item cannot be ordered online. If you are interested please click on the Ask a Question button below.

The Audio Research 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 Audio Research 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 Audio Research Reference 75 SE combine to provide an amplifier, which transcends traditional hi-fi, instead relaying music with realism and tangibility.

We endeavour to despatch same day (for orders placed up to 2pm) on available stock items to the vast majority of UK mainland addresses. Please remember to check with us first for a physical stock check if next day delivery is important to you.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Free delivery also applies to the Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland but may take a day or so longer. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

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