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Audio Research Reference 80S Tube Power Amplifier

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Original price $18,500.00 (50% Off Est. Retail)
Original price From $9,199.00
Original price $18,500.00 (50% Off Est. Retail)
Current price $9,199.00
From $9,199.00
Current price $9,199.00

+$179.00 Shipping to contiguous US.
Tax collected at checkout.

Earn 9,199 TMR Rewards points for this purchase.
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Cost to ship this item within the Contiguous United States is a flat rate of $179.00, including packaging and insurance. Note that all items valued over $750 will require a signature upon delivery.

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Product Highlights

Specifications: Output wattage is 70 watts continuous per channel (33 watts in Triode mode). The Audio Research Reference 80S tube stereo power amplifier delivers flagship performance in an accessible form factor. This hand-built, fully balanced design utilizes four KT150 output tubes and two 6H30 tubes. It features dual GhostMeters, an auto-bias circuit correcting for tube age/voltage, switchable Triode/Pentode modes, an hour meter, whisper cooling, and 4-, 8-, and 16-ohm speaker taps.

Reviewers praise the Reference 80S for its immersive scale and holographic soundstage. Critics highlight its sophisticated, silky top-end and a rich midrange that breathes lifelike warmth into vocals without fatigue. The bass is tuneful and enveloping, forming a solid foundation for complex tracks. Experts love the hassle-free auto-bias system, noting that the amplifier effortlessly handles large dynamic swings while maintaining exceptional transparency and instrumental delineation.

High-end tube amplification often requires tedious manual adjustment, but this design eliminates those maintenance headaches entirely. By bringing the emotional connection and holographic realism of flagship engineering into a practical footprint, it seamlessly coaxes peak performance out of your speakers. Anyone seeking luxurious build quality and uncompromising acoustic artistry will find this an enduring cornerstone that lets you skip the system tweaks and simply enjoy the music.
Brand Audio Research
Type Power Amplifiers
MSRP $18,500.00
Serial # 52795
Cosmetic Rating

8 - Very good condition with minimal visible cosmetic wear including some light scuffs on the top rear of the tube cage.

Functional Notes

Operational condition of this item is excellent, fully tested and no issues found.

Age 4 years
Owners 1
Service History None

Amplifier, (4x) Tungsol KT150 Tubes, (2x) Sovtek 6H30Pi Tubes, Meter Adjustment Tool, Allen Driver, Manual, Quality Assurance Certificate, Power Cable, Factory Packaging

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Audio Research Reference 80S Tube Power Amplifier
Audio Research Reference 80S Tube Power Amplifier