Audio Research D-80 Power Amplifier
Best high end power source for dedicated audiophile listening rooms.
This amplifier brings reference-grade tube warmth into a manageable, everyday chassis. By automating the bias and simplifying the signal path, it delivers the massive, dimensional sound usually reserved for cost-no-object systems without the maintenance headache. It is the rare piece of gear that prioritizes pure musicality over technical fuss.
$12950.00
at
The Listening Room
More D options
Who it's for
- Audiophiles seeking a warm, natural sound for vocal and acoustic music
- Vintage collectors who value long-term durability and high-end craftsmanship
- Listeners who prefer a rich, harmonic texture over clinical precision
Who should skip it
- Users with limited shelf space or poorly ventilated listening areas
- Casual listeners who prefer a low-maintenance, set-and-forget audio system
- Owners of inefficient speakers who require massive headroom for dynamics
Performance breakdown
Tonal Density
KT150 tubes deliver a rich, textured soundstage with remarkable harmonic depth.
Bass Authority
Delivers surprising low-end grip and weight for a tube-based design.
Maintenance Ease
Auto-bias system removes the headache of manual tube calibration entirely.
Signal Purity
Fully balanced differential path ensures minimal noise and maximum sonic clarity.
Build Integrity
Robust construction feels substantial and built to last for decades.
Speaker Compatibility
Flexible output taps allow for precise matching with diverse speaker loads.
Key Specs
Power Output
70 watts per channel
Frequency Response
0.7Hz to 94kHz
Total Harmonic Distortion
0.04%
Number of Channels
2
Input Connection Type
XLR
Output Connection Type
Binding Posts
Weight
62 lbs
Dimensions
18.5 inches x 10.5 inches x 18.5 inches
Amplifier Class
Tube
Bridgeable
No
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