Audio Research Reference 160S Stereo Amplifier
$60,000.00 inc. GST
Description
A vacuum-tube design, the Reference 160S stereo power amplifier 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.
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 IMPEDANCE: 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 48.26cm, Height 26cm, Depth: 54.61cm, with handles and connectors: 60.96cm
WEIGHT: 45.35kg
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