McIntosh MC152: 150-Watt Stereo Power in a Space-Saving Chassis
The McIntosh MC152 is a 2-channel solid state power amplifier that delivers 150 watts per channel into 2, 4, or 8 ohm loudspeakers. As McIntosh’s smallest current solid state stereo amplifier by power output, it brings the company’s signature performance, protection technologies, and blue watt meters to systems that do not require the size or output of a larger amplifier.
Its slim 6-inch-tall chassis makes the MC152 especially useful in space-conscious two-channel systems, premium secondary systems, and home theaters where it can power the front or surround channels. Balanced XLR and unbalanced RCA inputs allow it to work with a wide range of preamplifiers and processors.
Why Choose the McIntosh MC152?
- 150 watts per channel: Full rated output is available into 2, 4, or 8 ohm speakers.
- Space-saving design: The 6-inch chassis is shorter than McIntosh’s larger stereo power amplifiers.
- McIntosh Autoformers™: Help deliver the amplifier’s full rated power across common loudspeaker impedances.
- Power Guard®: Monitors the output signal and helps prevent clipping that could damage loudspeakers.
- Sentry Monitor™: Protects the output stage from unsafe operating conditions and resets automatically.
- Balanced and unbalanced inputs: Supports both XLR and RCA connections from a preamplifier or processor.
- Classic McIntosh presentation: A black glass front panel, silver end caps, green logo, and two large blue watt meters.
Who Is the MC152 Best Suited For?
The MC152 is a strong choice for listeners who want a genuine McIntosh power amplifier but do not need several hundred watts per channel. It is well suited to efficient floorstanding speakers, bookshelf speakers, moderate-size listening rooms, and systems played at comfortable to moderately high levels.
Its combination of consistent output into 2, 4, and 8 ohms and a relatively compact chassis also makes it a practical long-term foundation for systems where space matters. In a home theater, the MC152 can power the front left and right speakers or serve as a dedicated amplifier for demanding surround channels.
McIntosh MC152 vs. MC312
The MC152 and McIntosh MC312 share core McIntosh features such as Autoformer outputs, Power Guard, Sentry Monitor, balanced and unbalanced inputs, and blue watt meters. The principal differences are power, physical size, and intended system scale.
The MC152 delivers 150 watts per channel in a slim 6-inch chassis, making it the better fit for efficient loudspeakers, moderate rooms, and installations with limited vertical space. The MC312 delivers 300 watts per channel and provides greater dynamic headroom for larger rooms, less efficient speakers, and listeners who want additional reserve. Explore the complete McIntosh power amplifier collection for additional options.
McIntosh MC152 Specifications
| Specification | MC152 |
|---|---|
| Channels | 2 |
| Power Output | 150 watts per channel into 2, 4, or 8 ohms |
| Circuit Design | Solid state, push-pull complementary |
| Output Technology | McIntosh Autoformer™ |
| Rated Power Band | 20Hz to 20kHz |
| Frequency Response | 20Hz to 20kHz: +0/-0.25dB; 10Hz to 100kHz: +0/-3dB |
| Total Harmonic Distortion | 0.005% |
| Dynamic Headroom | 2.0dB |
| Signal-to-Noise Ratio | 118dB balanced; 115dB unbalanced |
| Damping Factor | Greater than 40 wideband |
| Inputs | 1 stereo balanced; 1 stereo unbalanced |
| Dimensions | 17.5 in W × 6 in H × 21 in D |
| Weight | 75 lb; 85 lb shipping weight |
Frequently Asked Questions
Is the McIntosh MC152 an integrated amplifier?
No. The MC152 is a dedicated stereo power amplifier and requires a separate preamplifier, processor, or component with volume-controlled preamp outputs.
Is 150 watts per channel enough?
For many efficient and moderately efficient loudspeakers in small to medium-size rooms, 150 watts per channel provides substantial output and dynamic capability. Speaker sensitivity, listening distance, room size, and preferred volume all affect the final recommendation.
Can the MC152 be bridged for mono use?
No. The MC152 is designed for 2-channel stereo operation and does not support bridged or parallel mono modes.
Can the MC152 be used in a home theater?
Yes. It can power the front left and right channels or a pair of surround channels when connected to a compatible surround processor.
What warranty is included?
New units purchased through an authorized McIntosh dealer include McIntosh’s 3-year limited warranty, subject to the manufacturer’s current warranty and registration terms.
Authorized McIntosh Dealer Support
Audio Exchange is an authorized McIntosh dealer serving Richmond, Central Virginia, and clients planning high-performance audio systems throughout the region. Our team can help compare the MC152 with other McIntosh amplifiers, evaluate speaker compatibility, discuss trade-ins, and coordinate delivery or professional installation.
