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ATC SCM50SE
Overview
- New ATC designed and built 25mm Soft Dome tweeter model SH25-76S.
- The unique ATC 75mm Soft Dome midrange model SM75-150S.
- The latest 234mm short coil super linear magnet Bass Driver model SB75-234SL.
- Fully discrete amplifier for each drive unit combined to create a Tri-amplifier of 350 watts with active crossover filters, phase correction and overload protection.
- Accurate timbre, wide dispersion and perfect imaging.
- Choice of top brow finish and colour detail.
- 6 year warranty.
Available Finishes
Veneers – Cherry, Walnut, Oak & Black Ash, Rosewood, European Crown Cut Walnut, Burr Walnut, Pippy Oak, Burr Magnolia, Burr Poplar.
Paints – Satin Black, Satin White
High Gloss (up-charge applies) – Clear High Glossed Veneer, Piano Black, Piano White
Cabinet ‘brow’ options (left-to-right below): black acrylic centre section with red acrylic ‘horns / veneered centre section with dull nickel ‘horns’ / black acrylic centre section with black acrylic ‘horns’.
Loudspeaker in the photo is finished in Rosewood with a black acrylic ‘brow’ centre section and red ‘horns’.
Dealers selling ATC near you
Built for control and musical power, the SCM50SE delivers astonishing dynamics, natural timbre and authoritative bass via bespoke driver amps and active crossovers. As noted by Larry Cox of Positive Feedback, the speakers offer room-filling authority, fine-grained imaging and piano realism that mark them as a rare, high-end listening experience.
Pros
- Exceptional dynamics and headroom — can be driven loud without clipping or compression.
- Natural, spot-on timbre and midrange detail that conveys realistic piano weight and vocal presence.
- Authoritative, extended bass — reviewer noted little need for subwoofers in his large listening room.
- Integrated active amplification and discrete amp design with active crossovers deliver low distortion, precise phase coherency and simplified setup.
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Cons
- Very high cost — reviewer describes the price (~$65,999) as prohibitive for most listeners.
- Rewards large rooms — the reviewer evaluated them in a very large listening space and implies they scale with room size.
Sound Quality
94/100
Bass
95/100
Active 234mm (9.2") LF with -6dB down to ~38Hz and reviewer comments that they 'lost essentially nothing in the bottom end when disconnecting my two subwoofers' indicate authoritative, extended, and well-controlled low end. Matches the Large-tower band 'excellent' range (95-96). No room-boom complaints or requests for a sub mitigate deductions.
Mid
94/100
Reviewer repeatedly praises timbre and tone ('Timbre and tone were spot on', 'Touch and tone ... were spectacular') and cites realistic piano weight and vocal presence. Active mid driver and dedicated 100W amplification support coherence through crossover regions and exceptional mid accuracy.
Treble
93/100
Fine-grain detail and refinement noted ('fine grain of detail', 'palpability'); no harshness reported. The dedicated 25mm HF with 50W amp and active crossover yields extended, controlled top end per reviewer observations.
Soundstage Imaging
95/100
Reviewer describes clearly placed images in three dimensions with good front-to-back dispersion at all levels and 'palpability' of images. The speaker's coherent dispersion claims and active crossover design support strong imaging and stable focus.
Dynamics
95/100
Reviewer highlights ability to play loud without clipping or compression and to resolve the quietest, intimate details ('play loud without clipping, sounding compressed' and 'capacity to resolve with a light touch'). Active amplification per driver preserves headroom and transient control.
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Build Quality
94/100
Multi-layer laminated cabinet construction and heavy, well-damped enclosures are documented by ATC and cited by the reviewer. The internal discrete amplifier implementation (no IC op-amps) and substantial engineering detail further underpin high build and component quality.
Features Connectivity
92/100
Active design with three discrete amplifiers per speaker (200W LF, 100W mid, 50W HF), active crossovers with all-pass filters, and female XLR input provide a comprehensive pro-level feature set. The discrete, transistor-based amp design and integrated filtering deliver operational convenience and signal integrity.
Value for Money
80/100
At ~£67–68k the reviewer admits the price is prohibitive for most but notes the package includes two speakers with six discrete amplifiers and active crossovers, and that peers require similarly expensive electronics to approach its performance. Exceptional performance but very high cost yields a premium-value rating rather than a mainstream bargain.
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