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Audio Research

Reference 80S

Introduced 2021$16,500 MSRP

Compact Reference-series tube stereo amp with KT150 outputs, auto-bias, and the illuminated GhostMeter power display.

MSRP

$16,500

Used market · Excellent

$8,650

-48% vs MSRP
as of Aug 15, 2026
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MSRP to used market

From $16,500 at launch to $8,650 today.

Specifications

Type
tube power amp
Inputs
balanced XLR
Outputs
4/8 ohm speaker taps
Topology
class AB ultralinear; KT150 x4, 6H30 x2, with auto-bias
Weight
49.5 lbs
Power output
70W x2 @ 8 ohms

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