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Ch Precision M1.1 Two-channel Reference Power Amplifier
The problem is that although power amps themselves might appear simple, their job is anything but straightforward. Caught in a sandwich between the output of a line-stage or DAC and the load requirements and sensitivity of any number of different loudspeakers, they must be able to accommodate the widest range of partnering equipment and interface parameters presented to any unit in the audio system. Achieving optimum results under such varied conditions demands a capable and versatile performer – yet as we’ve already established, most power amps offer a single, brute force solution to the problems they face, instead of adopting a more sophisticated response. It’s time for a change – it’s time to meet the CH Precision M1.1, a new-paradigm in power amplification.
What sets the M1.1 apart? It goes without saying that the M1.1’s sonic and musical performance challenges the state-ofthe- art, an incredibly short audio signal path executed with exacting component choices and construction, a massive power supply providing absolute stability and unfettered headroom, capable of meeting both the most delicate and most massive musical demands. But what makes the M1.1 really different is its software driven housekeeping capabilities, a non-intrusive support network that does more than just keep the amplifier unconditionally stable.
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Professional Reviews 93/100
Deliciously Crispy
Sound Quality
95/100
Build Quality
96/100
Value for Money
85/100
The M1.1 brings iron-fisted bass, inky-black resolution, and a rock-solid three-dimensional soundstage to reference systems. Jim Swantko heard organic detail, vivid instrumental placement, and realistic treble without fatigue, while Audiophilepure praised its lively transients and convincing spatial focus. Adjustable feedback makes this a remarkably tunable, uncompromising powerhouse.
What Reviewers Are Saying
Pros
Delivers deep, tight, weighty bass with convincing impact and articulation.
Creates exceptionally stable, densely layered three-dimensional imaging with precise instrument placement.
Combines high resolution and transient clarity with an organic, non-fatiguing presentation.
Adjustable feedback and extensive configuration enable close matching to speakers and system preferences.
&
Cons
Its large, very heavy chassis can make rack placement and installation difficult.
Network control app support is limited to Android, leaving iOS users reliant on the front panel or an additional device.
One review noted a slight reduction in hall reverberation and air on some minimally miked recordings.
SOUND QUALITY PERFORMANCE 95/100
Reviewers describe an exceptionally open, fully resolved presentation with natural musical flow, powerful bass definition, and unusually tangible spatial information. The M1.1 is portrayed as both highly revealing and deeply involving rather than clinical, with only a slight reported trade-off in hall air on some minimally miked recordings.
Transparency Resolution
95/100
Future Audiophile found the M1.1 opened a clear “window” into recordings, with more deeply revealed instrumental detail, crystalline guitar fills, and an inky-black backdrop. Audiophilepure likewise heard it avoid the pleasant fog and obscured inner detail sometimes associated with warmer amplifiers.
Tonal Balance Musicality
93/100
The presentation was described as organic, integrated, naturally detailed, and emotionally communicative, with vocal delicacy and purity standing out. Cymbals were realistic without fatigue, although Audiophilepure noted a slight reduction in hall reverberation and air on some recordings compared with its reference.
Dynamics
94/100
Bass was reported as exceptionally deep, tight, weighty, and fully articulated, to the point that the reviewer initially thought a subwoofer had been added. The M1.1 also retained transient life and inner detail rather than softening attacks, with kick drums carrying convincing physical impact even at moderate levels.
Soundstage Imaging
97/100
Spatial performance is a major strength: Future Audiophile heard a rock-solid, dense three-dimensional stage with pinpoint image placement and instruments projected on distinct planes. Audiophilepure similarly described a vivid three-dimensional presentation that placed a solo guitarist solidly and convincingly ahead of the ensemble.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
96/100
Future Audiophile calls the M1.1's build quality “second to none,” citing outstanding fit and finish, beautifully machined aluminum, nearly invisible seams, and exceptionally clean execution. Its extensive software-controlled adjustment, feedback optimization, network control, and configurable operating display also reflect unusually thorough engineering for system integration.
Value for Money
85/100
At roughly $49,500-$60,000 per amplifier, with one review listing $104,000 per pair, the M1.1 is positioned firmly in the cost-no-object segment. The available value commentary is limited, though Future Audiophile believes it should hold its value well; neither review makes a detailed comparison with similarly priced rivals.
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Verified Dealers
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Authorized dealers for Ch Precision M1.1 Two-channel Reference Power Amplifier
- Absolute Hi End — in-store — Ormond, Victoria, Australia (website)
- Audio Art — in-store — London, England, United Kingdom (website)
- Audio by Mark Jones — in-store — Ajax, Ontario, Canada (website)
- Audio Gallery — online and in-store — Las Rozas de Madrid, Comunidad de Madrid, Spain (website)
- Audio Ultra — in-store — Tacoma, Washington, United States (website)
- Audio Vision San Francisco — online and in-store — San Francisco, California, United States (website)
- Aug & Ohr — in-store — Zürich, Zürich, Germany (website)
- Definitive Audio — in-store — Bellevue, Washington, United States (website)
- Dream Audio Components — online and in-store — Dunaharaszti, Hungary (website)
- Elite Audio Systems — in-store — San Francisco, California, United States (website)
and 15 more verified dealers
