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Bricasti Design M25 Stereo Amplifier
The Bricasti Design
Model 25 Stereo Power Amplifier
The M25 stereo amplifier finds a special place in the Bricasti family of amplifiers through its implementation of a dual mono transformer design, essentially creating a hybrid of the traditional single transformer M15 stereo amplifier and its larger M28 mono-block brethren. The M25 is rated at 150 W / 300 W / 600 W per channel into 8ohms, 4ohms and 2ohm loads respectively.
Dual Mono
The M25 integrates seamlessly with superb current delivery in a smaller footprint for those desiring additional power but lack the needed space for hefty amplifier pairs. Dual transformers render a beautiful sense of depth and dimension while a single-transformer design like the M15 stereo amplifier excels with impressive imaging and detail as both channels lock to a single transformer.
Fully differential
Like the entire line of Bricasti amplifiers, the M25’s fully differential balanced design delivers a fast, low distortion, open and harmonically accurate musical experience. Paired with any of the Bricasti line of fully differential digital to analog converters, a truly balanced system can be enjoyed.
Perfect match
The M25 is designed to play nice with your line of equipment. A unique feature like trim control lets you properly gain stage the M25, critical with todays digital sources driving the amplifier directly. Stillpoints isolation devices have been designed directly into the feet for maximum isolation from vibration.
Handcrafted in the USA
All of our products are crafted in the old world tradition, in a classic brick mill building in Massachusetts USA by a team of individuals dedicated to excellence.
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Bricasti Design M25 Stereo Amplifier — life-like power and poise
The M25 marries a fully differential topology with serious current delivery (150W/8Ω, 300W/4Ω, 600W/2Ω) to produce a transparent, neutral presentation with authoritative low end, airy mids and a wide, well-defined soundstage. Reviewer Michael Zisserson (Positive Feedback) praises its revealing dynamics, exceptionally low measured distortion (THD+N <0.005%) and the amplifier's ability to deliver concert-hall ambiance and vocal realism. The milled-aluminum chassis, gold-plated heavy-duty binding posts and conservative thermal behavior underline premium build quality. Suited to serious systems and large speakers, the M25 is designed for listeners who want uncompromised realism and headroom. For those prioritizing fidelity and engineering, it’s a standout high-end solid-state option worth auditioning.
Pros
- Highly transparent, neutral tonal balance with detailed, life‑like midrange and vocals.
- Abundant, well-controlled dynamics and bass authority thanks to generous power and fully differential design.
- Exceptional build and engineering: billet-milled aluminum chassis, premium connectors and stable thermal performance.
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Cons
- Can accentuate flaws in compressed or poor recordings, making some material sound harsh or fatiguing.
- Some user-integration details are fiddly (input-trim requires a screwdriver; RCA-to-XLR jumpers must be used to avoid halving capability).
- High luxury-segment price positions it for buyers with substantial budgets.
Sound Quality
92/100
Dynamics
92/100
Reviewers repeatedly praise the M25's abundant power and drive, describing its low-frequency authority and the amplifier as having 'abundant power, dynamic capability' and a bass that 'never seems to run out.' The spec sheet (150W/8Ω, 300W/4Ω, 600W/2Ω) and the fully differential topology support the subjective impressions of exceptional headroom and current delivery into difficult loads, giving the amp the grip and slam reviewers heard.
Soundstage Imaging
91/100
Reviewer comments highlight convincing spatial cues: 'air and the envelopment of the hall's ambiance' and clearly placed vocal sections in a concert-hall sense. The M25 is reported to produce a tidy, well-defined soundstage with good depth and stable imaging even while delivering strong dynamics.
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Build Quality
94/100
The unit is described as exceptionally well built — a chassis milled from solid aluminum billet with a refined dual-tone finish — and heavy (90 lbs), implying a substantial power supply and premium mechanical construction. Connectivity and parts quality (gold-plated, heavy-duty binding posts; high-quality XLR/RCA inputs) and the report of conservative thermal behavior ('only mildly warmer to the touch') support a high score for construction and engineering.
Value for Money
89/100
At a retail price of $18,000 the M25 sits in the luxury segment; reviewers praise its performance and build to a degree that suggests the asking price is a justified premium. Given 150W/8Ω (and the ability to deliver 600W into 2Ω), superb fit-and-finish, and measured low distortion, the M25 competes with high-end solid-state offerings from established brands (Pass Labs, McIntosh, Classe and similar $12k–$25k products) — its performance and construction support a 'worth the premium' assessment rather than a bargain.
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