MC611 vs MC255
The MC255's power @ 8ω is 250W against the MC611's 750W, its signal-to-noise 108 dB against 124 dB, and its power @ 4ω 200W against 800W. Both share thd (0.005%).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower Amplifiers
Estimated price (community-sourced)
$9,500
Around — community and catalog average, updates slowly
About the MC611
The McIntosh MC611 is a high-performance monoblock power amplifier designed for demanding audio systems, producing 600 Watts of clean power into 2, 4, or 8 Ohm speakers thanks to McIntosh's unique Autoformer™ technology. It features significant upgrades over previous models, including doubled filter capacity for a 55% increase in dynamic headroom (2.8dB), improved low-end bass performance, Power Guard® clipping protection, Sentry Monitor™ short-circuit protection, and an eco-friendly auto power-off system. Ideal for stereo pairs or multi-channel home theater setups, it offers balanced and unbalanced inputs/outputs, Solid Cinch™ binding posts, monogrammed heatsinks, and the iconic black glass front panel with an 8-inch blue watt meter. Reviews praise its effortless power, low distortion, and ability to drive any loudspeaker with clarity and dynamics.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 750W @ 8Ω
- Power @ 4Ω
- 800W @ 4Ω
- Amplifier Class
- solid_state
- Damping Factor
- 40
Analog Output
Analog signal output specifications
- THD
- 0.005%
- SNR
- 124 dB
Connectivity
Input and output connections
- Analog Inputs
- 1 balanced, 1 unbalanced
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 444.5 × 239.7 × 550.8 mm (W × H × D)
- Weight
- 44.32 kg (98 lbs)
Key Specifications
Power: 750W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions