D-52B vs VT60
The VT60's signal-to-noise is 95 dB against the D-52B's 90 dB, its thd 1.000% against 0.250%, and its damping factor 14 against >500. Both share power @ 8ω (50W).
AI-generated product photo — not official manufacturer imagery.
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
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 50W @ 8Ω
- Damping Factor
- >500
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 1.1V RMS
Analog Output
Analog signal output specifications
- THD
- 0.250%
- SNR
- 90 dB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 480 × 130 × 267 mm (W × H × D)
- Weight
- 17.7 kg (39 lbs)
- Available Colors
- silver
Key Specifications
Power: 50W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions