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Audio Research D300 Power Amplifier

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Original price $3,995.00 (70% Off Est. Retail)
Original price From $1,199.00
Original price $3,995.00 (70% Off Est. Retail)
Current price $1,199.00
From $1,199.00
Current price $1,199.00

+$80.00 Shipping to contiguous US.
Tax collected at checkout.

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Product Highlights

Power Output: 160Wpc into 8 ohms / 300Wpc into 4 ohms. Amperage: 15-amp line required. The Audio Research D300 is a premium solid-state stereo power amplifier engineered for exceptional musicality. It utilizes high-current Multiple-Emitter Transistors (METs) to combine the rugged reliability of bipolar designs with the sweet, liquid tone of MOSFETs. Backed by a distributed-capacitor power supply with 175,000 uF of energy storage, it yields incredible dynamic headroom to drive demanding speaker loads. The chassis features balanced XLR and single-ended RCA inputs alongside robust output terminals.

Reviewers praise the D300 for its detailed, non-fatiguing, and highly musical presentation. While bench tests note a unique voicing rich in low-order harmonics, experts agree this was an intentional design choice to replicate the organic warmth of tube gear without the upkeep. Users emphasize its ability to handle clean transients, maintain absolute stability under low impedances, and cast a wide, deep soundstage. It is widely celebrated as an incredibly dependable workhorse that completely avoids the sterile, harsh character of typical solid-state units.

Finding an amplifier that bridges solid-state dependability with the rich, holographic soul of a tube system is exceptionally rare. The D300 achieves this effortlessly, supplying pristine, effortless power that coaxes the absolute best performance out of your loudspeakers. Adding this refined component to your system is an investment in long-term acoustic enjoyment, transforming routine listening into an immersive, front-row concert experience.
Brand Audio Research
Type Power Amplifiers
MSRP $3,995.00
SKU # 95974
Serial # 25268003
Cosmetic Rating

8 - Very good condition with minimal visible cosmetic wear including some light marks on the top and sides of the chassis. Despite these minor blemishes, this amplifier still looks great and sounds wonderful.

Functional Notes

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

Age 15 years or older
Owners 1
Service History None

Power Amplifier, Manual, Factory Packaging

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