The SCM50 ASLT (active) and SCM50 PSLT (passive) towers are designed to offer exceptional performance and enjoyment to the home hi-fi enthusiast and music lover.
The monitors’ ability to reproduce music and speech with phenomenal accuracy, transparency and dynamics lies mainly in the SM75-150S soft dome midrange driver. However, recent modifications that include the new ATC SH25-76S tweeter and enhanced port profile have brought about further improvements to all performance parameters.
Each drive unit in the active model has its own dedicated and individually matched MOS-FET amplifier, while the 234mm/9" bass driver incorporates ATC’s unique Super Linear Magnet technology. Our active crossover network consists of a wide band-width, electronically balanced input stage with high common mode rejection and very low distortion.
Like the HF, mid and bass drivers, all electronics are designed and manufactured in-house to create a no-compromise active system. In passive form, the SCM50PSLT provides broad and symmetrical dispersion, excellent amplitude and phase characteristics throughout the frequency range.
Passive
Drivers: HF 25mm ATC SH25-76S, Mid 75mmATC Soft Dome, LF 234mm Super Linear
Amplitude Linearity ±2dB: 70Hz – 20kHz
Frequency Response -6dB: 40Hz & 25kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal ±10° Coherent Vertical
Sensitivity (sine wave): 85dB @ 1W @ 1m
Max continuous SPL @1m: 112dB SPL
Crossover Frequency: 380Hz & 3.5kHz
Input Connector: Binding Posts/4mm banana plugs
Recommended Power Amplifier: 100 to 1500 Watts
Nominal Impedance: 8 ohms (5.5 ohms min)
Accessories Inc. (per pair): 2 x fabric wrapped grills, 8 x M8 x 1.25mm stand spikes and nuts.
Cabinet Dimensions (HxWxD): 1003 x 304 x 470mm / 39.49 x 11.97 x 18.50"
Weight: 45.5kg
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"Like the ATC SCM 50 PL passive version reviewed last year, the SCM50 ASL also squarely hits the HIFICRITIC Audio Excellence level for sheer all round ability, and not least on grounds of a that truly massive dynamic range delivered by this active version."
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"Normally, when I’ve concluded my time with a review product I’m of a somewhat mixed mind, weighing attributes and oddities, balancing the great against the not-so-great. In the matter of the ATC, its exemplary performance over so many criteria pushed any lingering issues into near-insignificance."
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"Visually, the ATC’s purposeful looks aren’t as pretty as something like a B&W Nautilus 801 D4, but the minute you hear a pair of SCM50s you simply won’t care."
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"So from my experience should I tell everyone to discount the passive SCM50 and only buy the active and I would say of course not. If you are already heavily invested into high quality amplification you love why would you want to do that and that is why its great ATC manufacture both variants and not just the active."
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