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Audio Research Reference 160S Stereo Power Amplifier

code: AR-R-160S
£22,450.00 (FREE UK Delivery)
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This item cannot be ordered online. If you are interested please click on the Ask a Question button below.

Audio Research is pleased to announce the Reference 160S stereo power amplifier. A vacuum-tube design, it follows in the footsteps of the internationally-acclaimed 160M monaural power amplifier, introduced in 2018, which has won multiple amplifier-of the-year honors from publications such as Stereophile, Hi-Fi+, and others.

The Reference 160S (REF160S) carries-over the stunning look of the 160M, with dual GhostMeters™ that float in front of the eight KT150 output power tubes.

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

The 160S continues the feature set introduced in the 160M, including a proprietary auto-bias circuit, switchable Triode or Ultralinear modes of operation, balanced and single-ended inputs, and an output tube monitoring mode. The 160S also uses a four-layer circuit board, allowing music to emanate from a jet-black background.

With a weight of 100 lbs. and a chassis depth of 21.5“(54.6 cm), two rear handles were added to make it easier to lift and move. Larger 120mm, low profile fans are built into the bottom cover plate horizontally to provide ventilation.

The REF160S distills the astonishing resolution, dynamic impact, musical purity and finesse of the 160M into one beautiful and attainable chassis. It was designed for the music lover in all of us.

Technical Specifications:

  • POWER OUTPUT: 140 watts continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 140 watts, below 0.04% at 1 watt. (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 critical).
  • POWER BANDWIDTH: (-3dB Points) 5Hz to 70kHz.
  • FREQUENCY RESPONSE: (-3dB points at 1 watt) 0.5Hz to 110kHz.
  • INPUT SENSITIVITY: 2.4V RMS Balanced for rated output. (25.5 dB gain into 8 ohms).
  • INPUT: 300k ohms Balanced; 100k ohms Single-ended.
  • 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.
  • POWER REQUIREMENTS: 105-130VAC 60Hz (210-250VAC 50Hz) 875 watts at rated output, 700 watts in Triode mode, 500 watts at “idle”, 3.6 watts off
  • TUBES REQUIRED: 4 matched pair KT150 (Power output V1-4); 4 6H30 (Gain stage V5 and V6).
  • DIMENSIONS: Width  19.0” (48.26 cm) Height 10.25” (26 cm) Depth  21.5” (54,61 cm)
  • With Handles and Connectors: 24” (60.96 cm)
  • WEIGHT: 100lbs

We endeavour to despatch same day for orders placed up to 12 noon on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is recieved. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. 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 Turntableworld 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.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock. 

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