Help Image

Talk with an Expert

Our knowledgeable advisers like Eddie Fields can help you choose and buy the gear you’ll love for years to come. Call, chat, or email us, or come by the showroom!

Chat with us

Overview

Hi-Fi i Muzyka Highlight of the Year award

The monoblock MC611 Quad Balanced Power Amplifier produces 600 Watts of power – enough to satisfy nearly any loudspeaker. A pair of MC611s can easily drive an impressive home stereo system, or add more of them to power a home theater. Thanks to our unique output Autoformer™ technology, your speakerswill receive the full 600 Watts regardless if they have 2, 4 or 8 Ohm impedance, allowing you the ability to use the MC611 to its full potential.

McIntosh MC611 Amplifier

"The MC611 is one of the most beautiful sounding amplifiers I’ve ever heard, and at the same time is one of the most realistic sounding amplifiers I’ve ever heard. And this continues to blow me away every time I turn the MC611s’ power on." Winner of Best of 2018 Blue Note Award. - Enjoy The Music

The MC611 has received numerous updates and improvements compared to our previous 600 Watt monoblock model. Chief among them is that filter capacity has been doubled which has resulted in a dramatic 55% increase in dynamic headroom from 1.8dB to 2.8dB. This twofold increase in filter capacity also helps improve the performance of low end bass frequencies.

"The MC611s offer massive power with minimal distortion at all frequencies, into any load. In doing so they are virtually unique… Easy going silky smooth sound, richly detailed and dynamically awesome." Awarded 5 out of 5 Globes. - Hi-Fi World

The front panel features new direct LED backlighting for improved appearance and color accuracy. On top, the audio Autoformer and power transformer remain seated just behind the front panel, but are now contained in new glass topped enclosures. Behind them are 2 of our Monogrammed Heatsinks™ which connect to advanced high current output transistors that help eliminate thermal equilibrium lag time. A screening of the amplifier’s block diagram has been added to the panel located between the heatsinks.

"Attack, sustain, decay came through with such clarity and power you – I – rarely hear through high-power amplifiers... Highly Recommended, A++++." - Audiophile Style

On the back, there continues to be 3 sets of our Solid Cinch™ speaker binding posts (1 set for each speaker impedance), but more space has been added between each set to allow for easier speaker cable management. Our eco-friendly power management system, which will turn the amp off after a set amount of time when no input signal has been detected, has also been added. Other enhancements include heavier gauge internal wiring and upgraded circuit components.

"A rare combination of effortless power and sophistication" that allows it to easily "drive almost any type of speaker." Highly Recommended: 6 Stars - Lyd & Bilde

In addition to all these improvements, the MC611 is full of other exclusive McIntosh technologies:

Both a balanced and unbalanced output are included to make bi-amping or tri-amping your speakers easier; they can also be used to send the audio signal to a secondary system if your preamplifier does not have enough outputs, or to connect a powered subwoofer.

McIntosh MC611 Amplifier

"Natural, effortless control of dynamic swings, a linear power response throughout the frequency range, a true sense of fidelity to the recorded event, a Muhammed Ali-like speed and power propelling every note, deep authentic bass and a wonderfully human and palpable midrange with an organic, yet polished aural touch." - AudioStream

The MC611 sits on a beautiful polished stainless steel chassis and features the timeless McIntosh aesthetic of a black glass front panel, illuminated logo, control knobs, aluminum handles and of course a large 8” (20.3 cm) fast responding blue Watt meter. Contact your local dealerto learn more.

Specifications

Electronic Specifications

FTC Power Output Rating

600 W

Power Output per Channel

600 W into 2, 4 or 8 ohms

Number of Channels

1

Total Harmonic Distortion

0.005%

S/N below rated output

Balanced: 124dB

Unbalanced: 120dB

Dynamic Headroom

2.8dB

Damping Factor

>40 Wideband

Rated Power Band

20Hz to 20kHz

Frequency Response

+0, -0.25dB from 20Hz to 20kHz

+0, -3.0dB from 10Hz to 100kHz

Control

Remote Power Control

Yes

Multi-Channel DB25 Cable

N/A

General Specifications

Circuit Configuration

Quad Balanced

Circuit Design

Solid State

Mono Bridge

N/A

Mono Parallel

N/A

Output Type

Autoformer™

Meters

Yes

Meter Light Switch

Yes

Balanced Input

1

Front Panel

Glass with handles

Illumination

Direct LED

Chassis Style

Polished stainless steel & black painted steel

Connectivity

Speaker Binding Post Type

Patented Solid Cinch™ Speaker Binding Posts

Weights & Dimensions

Unit Dimensions (W x H x D)

17-1/2" (44.45cm) x 9-7/16" (23.97cm) (including feet) x 22" (55.88cm) (including front panel, handles and cables)

Unit Weight

97.5 lbs (44.32 kg)

Shipping Weight

130.5 lbs (59.32 kg)

Downloads

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

FAQs

Please read our FAQs page to find out more.

Do you price match?

Yes. We match any authorised dealer, including big-box retailers. If you find the same product at a lower price, contact us and we'll match it.

Do you offer free shipping?

Yes — free shipping on every order, with 2-day delivery available on most products. Easy returns and exchanges are included.

Where is your showroom?

We're at 6362 Alder Drive, Houston, Texas. The showroom lets you hear and compare reference-level systems in person before making any decisions. If you're considering a larger purchase or installation, it's well worth the visit.

Can I buy online without visiting the showroom?

Yes. The full product range is available through the online store with free nationwide shipping. For more complex system builds, speaking with one of our advisers first tends to lead to a better result.

Do you offer financing?

Yes. Special financing is available through the BrandSource Credit Card for qualifying purchases, allowing you to spread payments over time with no annual fee. Promotional rebate savings are also available periodically. See the financing page for full details.

Do you install systems as well as sell equipment?

Yes — installation is central to what we do. We design and install whole-home audio and video, home theaters, media rooms, outdoor audio, lighting and motorised shades, and full smart home automation.

Do you provide support after installation?

Yes. We provide ongoing service and support to ensure systems continue performing as intended — not just on installation day, but over the long term.