Audio Research Reference 160M Monoblock Amplifier Pair Mark I in Black Serial 53655 & 53656 EXCELLENT

Audio Research Reference 160M Monoblock Amplifier Pair Mark I in Black – Serial #53655 & #53656 – EXCELLENT

HAS BRAND NEW TUBES INSTALLED

Description:

The Audio Research Reference 160M Mark I monoblock amplifiers deliver reference-grade performance with breathtaking musical realism, dynamic power, and a gorgeous presentation. Featuring the striking GhostMeter™ design, selectable Ultralinear and Triode modes, and automatic tube biasing, the REF160M is a modern icon of tube amplifier excellence.

This listing is for a matched pair (Serial Numbers 53655 and 53656) of the original Mark I version (not the SE/Mark II update), both finished in Black. They are in EXCELLENT condition, lightly used, fully tested, and sound phenomenal.

Item Specifics:

• Brand: Audio Research

• Model: Reference 160M Mark I

• Finish: Black

• Serial Numbers: 53655 & 53656 (matched pair)

• Power Output:

  • 140 Watts per channel (Ultralinear mode)

  • 70 Watts per channel (Triode mode)

• Frequency Response: 0.5Hz – 110kHz (-3dB)

• Input Impedance: 300K ohms Balanced

• Input Sensitivity: 2.4V RMS for rated output

• Tube Complement per amplifier: 4 × KT150 (power tubes), 2 × 6H30 (driver tubes)

• Weight: 57.5 lbs each

• Dimensions (each amp): 19" W × 10" H × 19.5" D

Key Features:

✔ GhostMeter™ illuminated transparent front panel
✔ Switchable Ultralinear/Triode operation
✔ Balanced (XLR) and single-ended (RCA) inputs
✔ Automatic tube biasing system
✔ Hand-built precision craftsmanship in the USA
✔ Removable top for easy tube access and upgrades

Condition:

✅ EXCELLENT – Minor signs of gentle use only
✅ Tested – Both amplifiers operate perfectly
✅ Matched tubes – strong performance

Includes:

✔ (2) Audio Research Reference 160M Mark I Monoblock Amplifiers (Serial #53655 & #53656)
✔ Factory power cords
✔ Original owner's manual
✔ Factory packaging

We do take trade-ins, so please contact us if you wish to do so.

Please make sure to thoroughly inspect item photos for cosmetic condition.  We do try to describe the item as accurately as possible, so if you have any questions about cosmetic condition please message us.