BRAND: McIntosh

SERIES: MC1.25 KW power Amplifier

TYPE: Power Amplifier

The C1100, C2600 or C52 Preamplifier, D1100 Digital Preamplifier, MT10 Precision Turntable, MCD550 SACD/CD Player, MR87 AM/FM Tuner, MB50 Streaming Audio Player and XRT1K Loudspeakers are logical companions for the MC1.25KW Power Amplifier. Your Authorized Dealer can provide additional information on other McIntosh product combinations.


  • Our most powerful single chassis monoblock amplifier.
  • Delivers 1,200 Watts via our Autoformer™ into a 2, 4 or 8 Ohm speaker with a nearly imperceptible total harmonic distortion of 0.005%.
  • Updated yet unmistakable McIntosh industrial design that fits right in with current McIntosh products or those made decades ago.
  • A 50% increase in filter capacity from previous generation improves the performance of low end frequencies and increases dynamic headroom.
  • Other updates include an updated power transformer, heavier gauge internal wiring, upgraded circuit components, addition of our power management system, and a repositioned AC receptacle for easier use of power cords.
  • 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.
  • Sits atop a beautiful polished stainless steel chassis and is completed with a fast responding 11” (27.9 cm) blue Watt meter, control knobs, illuminated logo and aluminum end caps with handles.
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Power Output
1,200 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:
2.2dB 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)
17-3/4” (45.09cm) x 12-5/16” (31.27cm) x 22” (55.88cm)

158 lbs (71.7kg) net, 184 lbs (83.4kg) in shipping carton