BRAND: McIntosh

SERIES: MC611 Power Amplifier

TYPE: Power Amplifier

The C2600 or C52 Preamplifier, D1100 Digital Preamplifier, MT5 Precision Turntable, MCD550 SACD/CD Player, MR87 AM/FM Tuner, MB50 Streaming Audio Player and XR100 Loudspeakers are logical companions for the MC611 Power Amplifier. Your Authorized Dealer can provide additional information on other McIntosh product combinations.


Delivers 600 Watts via our Autoformer™ into a 2, 4 or 8 Ohm speaker with a nearly imperceptible total harmonic distortion of 0.005%. Compared to previous generation, filter capacity has been doubled – resulting in a dramatic 55% increase in dynamic headroom. Other updates include heavier gauge internal wiring, upgraded circuit components, addition of our eco-friendly power management system, and repositioned speaker binding posts for easier speaker cable connectivity. Full of numerous McIntosh technologies including Power Guard®, Sentry Monitor™, Quad Balanced design, McIntosh Monogrammed Heatsinks™, patented Solid Cinch™ speaker binding posts and Power Control.

Signature black glass front panel features new direct LED backlighting for improved appearance and color accuracy. Both a balanced and unbalanced output are included to make biamping or tri-amping your speakers easier or to connect a powered subwoofer. Sits atop a beautiful polished stainless steel chassis and is completed with a fast responding 18” (20.3 cm) blue Watt meter, control knobs, illuminated logo and aluminum end caps with handles.

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Power Output
600 Watts into a 2, 4 or 8 Ohm speaker

Total Harmonic Distortion
0.005% maximum from 20Hz to 20kHz

Signal to Noise Ratio
124dB Balanced 120dB Unbalanced

Dynamic Headroom

Damping Factor 
Greater than 40 Wideband

Frequency Response 
+0, -0.25dB from 20Hz to 20kHz +0, -3.0dB from 10Hz to 100kHz

Inputs & Outputs
1 Balanced input
1 Unbalanced input
1 Balanced output
1 Unbalanced output

Overall Dimensions (W x H x D)
17-1/2” (44.45cm) x 9-7/16” (23.97cm) x 22” (55.88cm)

97.5 lbs (44.32kg) net, 130.5 lbs (59.32kg) in shipping carton