The Absolute Sound Editors' Choice Award Winner 2017-2021
Tone Audio 2020 Product of the Year
Voted Masterpiece of 2017 Festival SON & IMAGE
The Absolute Sound Golden Ear Award Winner
This tube power amplifier has all the features to meet the needs of today’s music enthusiast, while preserving the qualities that have made the MC275 the most revered McIntosh tube amplifier.
This sixth generation MC275 has many subtle enhancements from the previous release that greatly improve performance. Combined with the widest bandwidth McIntosh output transformer design, the MC275 features tauter bass control and thermally quiet circuit design. The result is pure music.
"Good audio engineering is timeless." - Stereophile
McIntosh patented and gold-plated Solid Cinch™ speaker binding posts assure the best connection to all speaker cables, while high quality balanced and unbalanced input connectors enhance signal transfer from the connected preamplifier.
The seven small tubes are LED illuminated to indicate the amplifiers functional status: upon power up, they sequentially glow amber for a few seconds and then all turn green to signify system readiness. In the rare case of an output tube failure, the small tubes in front of it will turn red to notify you of the problem. Power Control is used to remotely control tube illumination from a McIntosh preamplifier. Contact your local dealer to learn more.
Specifications
Electronic Specifications
Power Output per Channel
75W @ 4, 8 or 16 Ohms
Number of Channels
2
Total Harmonic Distortion
0.5% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000Hz (≤ 0.25% harmonic distortion at 1kHz)
S/N below rated output
105dB
Dynamic Headroom
1.2dB
Damping Factor
>22
Rated Power Band
20Hz to 20kHz
Frequency Response
+0, -0.5dB from 20Hz to 20,000Hz +0, -3.0dB from 10Hz to 100,000Hz
Control
Remote Power Control
Yes, input and output
Multi-Channel DB25 Cable
N/A
General Specifications
Circuit Configuration
Unity Coupled
Circuit Design
Vacuum Tube
Mono Bridge
Yes
Mono Parallel
Yes, 150W @ 2, 4 or 8 Ohms
Output Type
Unity Coupled Output Transformer
Meters
No
Meter Light Switch
Small signal tubes LEDs controlled by McIntosh preamp
Balanced Input
Yes
Front Panel
N/A
Illumination
Small Signal Tubes, LED
Chassis Style
Polished Stainless Steel
Connectivity
Speaker Binding Post Type
Patented Solid Cinch™ Speaker Binding Posts
Weights & Dimensions
Unit Dimensions (W x H x D)
21-1/2" (54.6cm) (including cables) x 8-1/2" (21.6cm) (including feet) x 12" (30.5cm)
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