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Audio Research REF150SE Digital Amplifier

code: AUDIORESREF150SE
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150 watts per channel continuous from20Hz to 20kHz. 1kHz total harmonic distortion typically 0.6% at 150 watts, below 0.03% at 1 watt. Approximate actual power available at 'clipping' 160 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) 5Hz to 80kHz.

 

FREQUENCY RESPONSE

(-3dB points at 1 watt) 0.5Hz to 120 kHz.

 

INPUT SENSITIVITY

2.0V RMS BAL for rated output. (24 dB Bal gain into 8 ohms.)

 

INPUT IMPEDANCE

300K ohms Balanced.

 

OUTPUT POLARITY

Non-inverting. Balanced input pin 2+ (IEC-268).

 

OUTPUT TAPS

16 ohms, 8 ohms, 4 ohms.

 

OUTPUT REGULATION

Approximately 0.6dB 16 ohm load to open circuit (Damping factor approximately 14).

 

OVERALL NEGATIVE FEEDBACK

14dB.

 

SLEW RATE

13 volts/microsecond.

 

RISE TIME

2.0 microseconds.

 

HUM & NOISE

Less than 0.1mV RMS – 114dB below rated output (IHF weighted, input shorted).

 

POWER SUPPLY ENERGY STORAGE

Approximately 1040 joules.

 

POWER REQUIREMENTS

105-125VAC 60Hz (210-250VAC 50Hz) 730 watts at rated output, 900 watts maximum, 420 watts idle.

 

TUBES REQUIRED

2 – Matched quad KT150 – Power Output; 4 – 6H30 Driver.

 

DIMENSIONS

19"(48.3cm) W x 83⁄4" (22.2cm) H x 191⁄2" (49.5cm) D. Handlesextend 11⁄2" (3.8cm) forward.

 

WEIGHT

75lbs. (34.2kg) Net; 90lbs. (41kg) Shipping.

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

Simply put, the REF150 SE is a breakthrough in stereo power amplification.  Replacing the REF150—which was one of the most respected modern stereo amplifiers—was a daunting task, but it has been accomplished.  The REF150 SE offers more power, greater dynamic thrust, a more vivid and resolved presentation, greater finesse, and quieter operation.  It is the new benchmark. Having identical outer dimensions as its predecessor, the REF150 SE has much more packed into its chassis.  Refined front-panel cosmetics reflect the updated look of current-generation models, with silver units having silver handles and silver top covers, while black units have black handles and black cover. 

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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