McIntosh MC1.25KW 75th Anniversary Monoblock Mono Amplifiers w Box & Manual MINT

McIntosh MC1.25KW 75th Anniversary Monoblock Power Amplifiers

Condition: MINT
Includes: Original Boxes & Owner’s Manuals

Overview

The McIntosh MC1.25KW 75th Anniversary Edition Monoblock Amplifiers represent the absolute pinnacle of McIntosh power amplifier design. Built to commemorate McIntosh Laboratory’s 75 years of audio excellence, these reference-grade monoblocks deliver 1,250 watts of continuous power with legendary McIntosh reliability, refinement, and authority.

Designed for the most demanding high-end loudspeakers, the MC1.25KW combines massive output capability with astonishing control, musicality, and ultra-low distortion—making it one of the most respected and sought-after monoblock amplifiers in the world.

Condition

• Overall condition: MINT

• Exceptionally clean and well preserved

• No cosmetic blemishes or functional issues

• Operates flawlessly to factory specifications

• From a meticulous, smoke-free, audiophile environment

Design & Engineering

The MC1.25KW features McIntosh’s iconic industrial design paired with advanced internal engineering. Each monoblock is built around:

• McIntosh Autoformer™ technology for consistent power delivery at 2, 4, or 8 ohms

• Massive power supplies for effortless dynamics

• Advanced thermal management and protection systems

These amplifiers are capable of driving virtually any loudspeaker with complete ease, maintaining composure even at extreme listening levels.

Performance Highlights

• 1,250 watts continuous output per channel

• Extremely low total harmonic distortion

• Exceptional bass control and dynamic headroom

• Immense soundstage with precise imaging

• Effortless presentation from delicate passages to full-scale orchestral peaks

Key Features

• 75th Anniversary Edition flagship monoblock amplifiers

• Legendary McIntosh Autoformer™ design

• Blue watt meters with anniversary badging

• Balanced (XLR) and unbalanced (RCA) inputs

• Power Guard® and Sentry Monitor™ protection circuits

• Handcrafted in Binghamton, New York, USA

Connectivity

• Balanced XLR inputs

• Unbalanced RCA inputs

• Speaker outputs for 2, 4, and 8 ohm loads

• Trigger input/output for system integration

What’s Included

• (2) McIntosh MC1.25KW 75th Anniversary Monoblock Amplifiers

• Original McIntosh factory boxes

• Original McIntosh owner’s manuals

Ideal For

• Reference-level two-channel audio systems

• Driving large, demanding loudspeakers

• McIntosh collectors and enthusiasts

• Audiophiles seeking unlimited power with refinement

Summary

The McIntosh MC1.25KW 75th Anniversary Monoblock Amplifiers are a statement in both performance and craftsmanship. Offered here in MINT condition with original boxes and manuals, this is a rare opportunity to own one of McIntosh’s most powerful and prestigious amplifier designs—capable of delivering breathtaking realism, authority, and musical engagement.

We do take trade-ins, so please contact us if you wish to do so.

Please make sure to thoroughly inspect item photos for cosmetic condition.  We do try to describe the item as accurately as possible, so if you have any questions about cosmetic condition please message us.