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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.
Available Finishes
Specifications
Active SCM50ASLT
Drivers: HF 25mm ATC SH25-76S, Mid 75mm ATC Soft Dome, LF 243mm Super Linear
Amplitude Linearity (±2dB): 70Hz–20kHz
Frequency Response (±6dB): 38Hz–25kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal, ±10° Coherent Vertical
Max SPL: 112dB
Crossover Frequencies: 380Hz & 3.5kHz
Connectors: Male XLR
Crossover Filters: 4th Order Linkwitz-Riley
Amplifier Output: 200w LF, 100w Mid, 50w HF (active version)
Cabinet Dimensions (HxWxD): 1003x304x470mm
Weight: 53.3kg
Passive SCM50PSLT
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)
Cabinet Dimensions (HxWxD): 1003x304x470mm
Philosophy
ATC is a British company whose total preoccupation, since it was formed in 1974, has been with quality. Since its inception, ATC has kept steadfastly to its founders aims of building loudspeakers and audio electronics, which employ the most effective of modern engineering principles.
That has meant far more than keeping up with or even ahead of the competition. It has meant striving to make loudspeakers as near perfection in their performance as it is possible to make them.
All ATC products are built to provide nothing less than the best sound reproduction money can buy and to meet the challenge of the latest digital recording technology.
