McIntosh MC901 Amplifier - Pure Tube Warmth Meets Solid-State Power

McIntosh MC901 Amplifier - Pure Tube Warmth Meets Solid-State Power

Name: McIntosh MC901 Amplifier - Pure Tube Warmth Meets Solid-State Power
Brand: McIntosh
SKU: LM-NKUF-DTOI
Price: 35000.00 CAD
Availability: OutOfStock

McIntosh

$35,000.00 CAD

The McIntosh MC901 Amplifier pairs two 450W solid-state channels per side in a mono-block design for powerful, clear sound. Built for serious audiophiles, it delivers dynamic performance and precise control, filling large spaces with rich audio while supporting demanding high-end speakers effortlessly.

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The McIntosh MC901 Dual Mono Amplifier is crafted for true audio enthusiasts who demand precision, power, and beauty. Designed with two dedicated amplifiers in a single chassis — one for speakers and another for mid/high frequencies — the MC901 delivers stunning clarity across the entire musical range. Whether you're building your dream system or enhancing your existing setup, this powerhouse provides exceptional control, rich musical detail, and timeless McIntosh craftsmanship.

Key Features

Dedicated 300W vacuum tube amplifier for mid/high frequencies and 600W solid-state amplifier for low frequencies
Unity Coupled Circuit output transformers for superior sonic performance
Separate power meters and output controls for maximum customization
Hybrid amplification design blending warmth and precision
Monumental chassis with blue watt meters and polished stainless steel finish
Quad-balanced design for ultra-low noise and distortion
Built-in Power Guard® and Sentry Monitor™ protection circuitry

Why Buy

The McIntosh MC901 is more than an amplifier — it's a lifetime investment in extraordinary sound. Built with passion, engineered with precision, and trusted by audiophiles worldwide, it brings music to life in ways ordinary amplifiers cannot match.

Hybrid tube/solid-state design ensures warmth without sacrificing power
Dual-mono configuration offers fine-tuned control over complex speaker systems
Legendary McIntosh reliability and iconic visual design

Specifications

General Information
Brand	McIntosh
Model	MC901
Type	Dual Mono Amplifier
Amplifier Class	Tube (Mid/High), Solid-State (Low)
Number of Channels	2 (independent mono amplifiers in one chassis)
Power Output	300W Tube (mid/high) + 600W Solid-State (low)
Country of Manufacture	United States
Audio
Frequency Response	+0, -0.25dB from 20Hz to 20kHz; +0, -3dB from 10Hz to 100kHz
Total Harmonic Distortion (THD)	0.005% max from 20Hz to 20kHz
Signal to Noise Ratio	Solid-State: 120dB; Tube: 112dB
Damping Factor	Greater than 40 (solid-state section)
Speaker Impedance	2, 4, or 8 Ohms
Dynamic Headroom	1.2dB
Connectivity
Input Types	Balanced XLR, Unbalanced RCA
Output Types	Gold-plated speaker binding posts
Power Control Input/Output	Yes (for automatic power on/off with connected components)
Data Ports	Yes (for McIntosh data communication)
Battery & Charging
Battery Powered	No (AC powered)
Power Requirements	120V/230V 50/60Hz, factory configured
Power Consumption (Idle)	180W
Power Consumption (Max)	1,400W
Features
Meter Type	Blue Watt Meters (separate for each amplifier)
Circuitry Protection	Power Guard®, Sentry Monitor™
Tube Compliment	8 x KT88, 4 x 12AT7, 2 x 12AX7A
Chassis Material	Polished Stainless Steel
Cooling System	Thermal controlled fans
Physical Specifications
Dimensions (W x H x D)	17-1/2" (44.45cm) x 13-5/8" (34.6cm) x 29-7/8" (75.9cm)
Weight	180 lbs (81.6 kg)
Finish	Gloss black with polished stainless steel chassis
LED Illumination	Yes (for meters and logos)
In the Box
Included Accessories	Power cable, Manual, Spare fuses, Warranty card
Warranty
Warranty Period	3 Years (with registration)
Customer Support Info	Contact McIntosh Labs or Authorized Dealer

McIntosh MC901 Amplifier - Pure Tube Warmth Meets Solid-State Power FAQs

Can I bypass the MC901's internal crossover to use my own?

Yes. The MC901 allows you to bypass its internal crossover filters by connecting a direct feed to each amplifier section. This is ideal if you're using external room correction or crossover systems. You can also adjust the relative gain levels for each section from -6dB to +3dB to fine-tune your setup.

Does the MC901 require removing my speaker's internal crossover?

No. The MC901 is designed to work seamlessly with speakers that have internal passive crossovers. Its internal crossover can be adjusted to complement your speaker's design, eliminating the need to modify or remove existing crossovers.

Is the MC901 suitable for speakers with 2, 4, or 8 Ohm impedance?

Yes, you can replace the stock tubes with other brands. However, it's essential to use high-quality tubes that meet McIntosh's specifications to maintain optimal performance and reliability. Some users have experimented with different tubes, but always ensure compatibility and consult with a professional if unsure.

Can I replace the stock tubes in the MC901 with different brands?

Yes, you can replace the stock tubes with other brands. However, it's essential to use high-quality tubes that meet McIntosh's specifications to maintain optimal performance and reliability. Some users have experimented with different tubes, but always ensure compatibility and consult with a professional if unsure.

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McIntosh MC901 Amplifier - Pure Tube Warmth Meets Solid-State Power

Key Features

Why Buy

Specifications

Customer Reviews

McIntosh MC901 Amplifier - Pure Tube Warmth Meets Solid-State Power FAQs

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