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AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$850
Around — community and catalog average, updates slowly
About the D-52B
The Audio Research D-52B is a solid-state stereo power amplifier rated at 50 watts per channel into 8 ohms. Its specifications include a 1.1 V RMS input sensitivity, 30 kΩ input impedance, a 0.05 Hz–100 kHz frequency response (−3 dB), and a damping factor greater than 500. Approximate clipping power is 80 watts per channel into 4 ohms, 60 watts into 8 ohms, and 35 watts into 16 ohms. The D-52B is a vintage Audio Research design introduced in 1978 and is no longer manufactured.
Specifications
Key Specifications
Power: 50W
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