D240 MkII vs Yamaha A-S1000
The A-S1000's power @ 8ω is 90W against the D240 MkII's 120W, its signal-to-noise 98 dB against 106 dB, and its power @ 4ω 140W against 240W. Both share damping factor (>100).
AI-generated product photo — not official manufacturer imagery.
D240 MkII
Audio Research CorporationAmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$691.12
Around — community and catalog average, updates slowly
About the D240 MkII
The Audio Research D240 MKII stereo power amplifier represents a milestone in amplifier design, combining the musicality and lifelike dynamics of tube amplifiers with solid-state reliability. Manufactured circa 1992, this American-made amplifier is a Class AB design that has earned respect in the high-end audio community for its refined sound quality. The unit features balanced XLR and unbalanced RCA inputs, with comprehensive protection circuitry. Many units benefit from professional servicing, including replacement of the protection relay, to ensure reliable operation for years to come. The D240 MKII is suitable for use in stereo configurations or can be paired with another unit for mono or bi-amplified setups.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 120W @ 8Ω
- Power @ 4Ω
- 240W @ 4Ω
- Damping Factor
- >100
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 1.6V RMS
- Input Impedance
- 150000Ω
Analog Output
Analog signal output specifications
- SNR
- 106 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 480 × 133 × 295 mm (W × H × D)
- Weight
- 17.3 kg (38 lbs)
Key Specifications
Power: 120W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions