Audio Research Reference 160S

29990 €

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The Reference 160S stereo power amplifier follows in the footsteps of the internationally acclaimed REF160M monoblock power amplifier, which has won multiple amplifier-of the-year honors from publications such as Stereophile, Hi-Fi+, and others.

GhostMeters™

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

Also continued is the 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. 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.

SPECIFICATIONS

Power output	2 × 140 W continuous (20 Hz – 20 kHz)
Operating modes	Switchable Ultralinear / Triode (≈140 W / 70 W per channel)
Topology	Fully balanced design with short signal path · discrete components
Tube complement	4 × KT150 (output) · 2 × 6H30 (driver)
Tube biasing	Proprietary automatic bias system
Inputs	1 × XLR (balanced) · 1 × RCA (single-ended)
Output taps	4 Ω · 8 Ω · 16 Ω
Frequency response (-3 dB)	0.5 Hz – 110 kHz
Power bandwidth	5 Hz – 70 kHz
Input sensitivity	2.4 V RMS (balanced)
Input impedance	200 kΩ (balanced) · 100 kΩ (single-ended)
Gain	~25.5 dB
THD	~1% at full power · < 0.04% at 1 W
Negative feedback	14 dB
Damping factor	~14
Slew rate / Rise time	13 V/µs · 2.0 µs
Controls / Features	Auto-bias · tube monitoring & protection · RS-232 · 12 V trigger · auto-off · fan speed control
Display	GhostMeter® analog VU meter with adjustable illumination
Power consumption	~400 W at rated output · ~260 W idle · ~1 W standby
Dimensions (W × H × D)	480 × 255 × 470 mm
Net weight	34 kg