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Audio Research 160S Tube Stereo Power Amplifier
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.
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.
|Free warranty||3 years|
|Delivery Time||Normally 1 - 5 Working Days (Covid-19 and Brexit Delays Possible, contact us for more information)|
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).
(-3dB Points) 5Hz to 70kHz.
(-3dB points at 1 watt) 0.5Hz to 110kHz.
2.4V RMS Balanced for rated output. (25.5 dB gain into 8 ohms).
300k ohms Balanced; 100k ohms Single-ended.
Non-inverting. Balanced input pin 2+ (IEC-268).
16 ohms, 8 ohms, 4 ohms.
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.
105-130VAC 60Hz (210-250VAC 50Hz) 400 watts at rated output, 700 watts maximum, 260 watts at “idle”, 1 watt off.
4 matched pair KT150 (Power output V1-4); 4 6H30 (Gain stage V5 and V6).
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)