93%
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The M 807 delivers thunderous yet controlled low end and crystalline highs thanks to its VXe concentric array and JET 6c tweeter. Dual 250mm woofers produce tight, room-friendly subterranean bass, while the six-driver mid array creates expansive, holographic imaging — a sculptural, precision-built flagship praised by Ian White and Editorial Staff.
Pros
- Deep, controlled low-frequency authority with extension to the mid-20Hz region while avoiding bloat.
- Adjustable directivity and wide, layered imaging from the VXe six-driver concentric mid array and selectable radiation modes.
- Exceptional treble detail and transient speed courtesy of the JET 6c Air Motion Transformer, delivering low distortion and holographic top-end.
&
Cons
- Very high MSRP and luxury positioning limit accessibility despite class-leading engineering.
Sound Quality
94/100
Bass
96/100
Dual 250 mm AS sandwich woofers and a down-firing reflex design produce 'subterranean bass' and 'walls sweat' level authority while staying 'tight, clean, and surgical.' Review notes emphasize deep extension (24 Hz spec) and controlled, non-bloated low end; impressed reviewers and large dual-10" drivers justify a top-tier large-tower bass score.
Mid
94/100
Six-driver mid array (VXe 6 / crystal membrane drivers) and careful crossover work yield low distortion, strong timbral accuracy and 'seamless integration' across sections. Reviewer cites coherent tonal balance and vocal presence at varying volumes, supporting a very high midrange score.
Treble
94/100
JET 6c Air Motion Transformer delivers crystalline, extended top end with excellent transient detail and very low smear. Reviewer describes 'surgical precision' and 'holographic top-end,' indicating exceptional extension and refinement without harshness.
Soundstage Imaging
94/100
Concentric multi-driver mid array and five selectable radiation modes produce wide, layered imaging and strong spatial coherence. Reviewer calls it a 'full-frontal assault on bland soundstaging' and highlights holographic presentation, supporting an excellent imaging score.
Dynamics
93/100
High-SPL capability from long-excursion drivers and stiff sandwich constructions yields impressive micro- and macro-dynamics and slam. Review notes the drivers 'punch out high-SPL without flinching' and the design's low distortion under load, indicating excellent dynamic performance.
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Build Quality
94/100
Heavy, sculpted cabinets with precision aluminum accents, engineered curves to reduce diffraction, and premium driver technologies reflect high-end industrial and acoustic design. Reviewer emphasizes artful engineering and finish quality, supporting a top-tier build score.
Features Connectivity
80/100
Passive floorstander baseline applied. The speaker offers five user-selectable radiation modes (contour/radiation pattern control) but is fundamentally a passive design; baseline passive connectivity score used.
Value for Money
70/100
MSRP stated at $45,000/pair — the performance is class-leading, but the very high price positions these as a luxury, niche purchase. Score reflects exceptional engineering and sound but tempered by steep MSRP and comparison to peers at lower price points.
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