ATC SCM20SL

Classic Loudspeakers

ATC SCM20SL

Overview

The hybrid design incorporates a 150mm bass cone on to which is grafted a 75mm soft dome.

The magnet assembly utilises ATC’s unique “SL” technology which greatly reduces distortion in moving coil drive units by a very significant 12-15dB (3rd harmonic). To minimise Time Domain Distortion both dome and cone are made from acoustically “dead” polyester wave material doped with ATC’s own formulation.

Not only does the SCM20SL reproduce bass with remarkable articulation and authority, it also has outstanding mid-band clarity, incredible dynamic range, and awesome power handling.

The active tower version (SCM20ATSL) is powered by the ATC “Grounded Source” Bi-amplifier. The bass/mid is driven with 200 watts, while the tweeter has 50 watts of class “AB” power.

Both amplifiers feature momentary gain reduction circuitry which both protects drive units and prevents unpleasant sounds from overdrive.

Accompanied by either an ATC SCA2 CA2 preamp or CDA2 MkII the SCM20AT will outperform any other combination in its price range, many costing far more.

An all-time classic still available and in any veneer to special order.

 

Drivers: LF 6.5”/150mm SL (SB75-150SL 8 Ohm)HF 1”/25mm dual suspension Soft Dome (SH25-76S 6 Ohm)
Frequency Response -6dB: 60Hz – 20kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal ±10° Coherent Vertical
Sensitivity: 85dB/W @ 1metre
Max SPL: 108dB
Crossover Frequency: 2.5kHz
Input Connector: Bi-wire posts
Recommended Amplifier Power (see ATC SIA2-150): 75 – 300 Watts
Cabinet Dimensions(HxWxD): 440x239x333mm
Weight: 18kg

ATC SCM50SL

Classic Loudspeakers

ATC SCM50SL Classic

Overview

The SCM50 ASL (active) and SCM50 SL (passive) are designed to perform at their best in the recording studio or at home with the finest quality hi-fi equipment.

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 SCM50 SL provides broad and symmetrical dispersion, excellent amplitude and phase characteristics throughout the frequency range.

 

Specification

SCM50ASL (Active)

Drivers: HF 25mm Mid 75mm LF 234mm Super Linear
Amplitude Linearity ±2dB: 70Hz – 20kHz
Frequency Response -6dB: 38Hz & 25kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal ±10° Coherent Vertical
Max continuous SPL @1m: 112dB SPL
Crossover Frequency: 380Hz & 3.5kHz
Input Connector: XLR
Input Sensitivity:1V
Input Impedance: >10k ohms balanced XLR
Amplifier Output: HF 50 Watts RMS MF 100 Watts RMS LF 200 Watts RMS
Overload Protection: Active FET momentary gain reduction (amplifiers)
Power Requirements: Voltage: 100, 115, 230 (factory set)
Frequency: 50/60Hz
Power: Nominal 90 Watts, Driven 350 Watts
Cabinet Dimensions(HxWxD): 717 x 304 x 480mm including amps (stands add 250mm to height)
Weight: 48.9kg

SCM50SL (Passive)

Drivers: HF 25mm Mid 75mm 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 ohm minimum)
Cabinet Dimensions(HxWxD): 717 x 304 x 425mm (stands add 250mm to height)
Weight: 41.1kg

ATC SCM100SL Classic

Loudspeakers

ATC SCM100SL Classic

Overview

The SCM100 ASL (active) and SCM100 SL (passive) are designed to perform at their best with the finest quality hi-fi equipment.

Like their smaller brother, the SCM50 ASL, 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 an upgraded tweeter and enhanced port profile have brought about further improvements in all performance parameters.

Bass performance is equally impressive, thanks to ATC’s 12″ professional level bass driver that incorporates the company’s unique Super Linear Magnet technology. Bass, mid and HF drive units in the active model have their own dedicated and individually matched MOSFET amplifiers.

ATC’s active crossover network consists of a wide band-width, electronically balanced input stage with high common mode rejection and very low distortion.

In passive form, the SCM100 SL provides broad and symmetrical dispersion, excellent amplitude and phase characteristics throughout the audio frequency range.

Specification

SCM100ASL (Active)

Drivers: HF 25mm Mid 75mm LF 314mm Super Linear
Amplitude Linearity ±2dB: 65Hz – 17kHz
Frequency Response -6dB: 32Hz & 22kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal ±10° Coherent Vertical
Max continuous SPL @1m: 115dB SPL
Crossover Frequency: 380Hz & 3.5kHz
Input Connector: XLR
Input Sensitivity: 1V
Input Impedance: >10k ohms balanced XLR
Amplifier Output: HF 50 Watts RMS MF 100 Watts RMS LF 200 Watts RMS
Overload Protection: LDR tweeter protection, plus active FET MGR (amplifiers)
Power Requirements: Voltage: 100, 115, 230 (factory set)
Frequency: 50/60Hz
Power: Nominal 90 Watts, Driven 350 Watts
Cabinet Dimensions(HxWxD): 834 x 400 x 585mm including amps (stands add 200mm to height)
Weight: 64.8kg

SCM100SL (Passive)

Drivers: HF 25mm Mid 75mm LF 314mm Super Linear
Amplitude Linearity ±2dB: 65Hz – 17kHz
Frequency Response -6dB: 35Hz & 22kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal ±10° Coherent Vertical
Sensitivity (sine wave): 88dB @ 1W @ 1m
Max continuous SPL @1m: 115dB SPL
Crossover Frequency: 380Hz & 3.5kHz
Input Connector: Binding Posts/4mm banana plugs
Recommended Power Amplifier: 100 to 1500 Watts
Nominal Impedance: 8 ohms
Cabinet Dimensions(HxWxD): 834x400x530mm (stands add 200mm to height)
Weight: 57kg

ATC SCM150SL Classic

Speakers

ATC SCM150SL Classic

Overview

The SCM150 ASL (active) and SCM150 SL (passive) are designed to perform at their best with the finest quality hi-fi equipment.

Like their smaller brother, the SCM50 ASL & 100 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 an upgraded tweeter and enhanced port profile have brought about further improvements in all performance parameters.

Bass performance is equally impressive, thanks to ATC’s 15″ professional level bass driver that incorporates the company’s unique Super Linear Magnet technology. Bass, mid and HF drive units in the active model have their own dedicated and individually matched MOS-FET amplifiers.

ATC’s active crossover network consists of a wide band-width, electronically balanced input stage with high common mode rejection and very low distortion.

In passive form, the SCM150 SL provides broad and symmetrical dispersion, excellent amplitude and phase characteristics throughout the audio frequency range.

Specification

SCM150ASL (Active)

Drivers: HF 25mm Mid 75mm LF 375mm Super Linear
Amplitude Linearity ±2dB: 60Hz – 17kHz
Frequency Response -6dB: 25Hz & 22kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal ±10° Coherent Vertical
Max continuous SPL @1m: 117dB SPL
Crossover Frequency: 380Hz & 3.5kHz
Input Connector: XLR
Input Sensitivity: 1V
Input Impedance: >10k ohms balanced XLR
Amplifier Output: HF 50 Watts RMS MF 100 Watts RMS LF 200 Watts RMS
Overload Protection: LDR tweeter protection, plus active FET MGR (amplifiers)
Power Requirements: Voltage: 100, 115, 230 (factory set)
Frequency: 50/60Hz
Power: Nominal 90 Watts, Driven 350 Watts
Cabinet Dimensions(HxWxD): 884 x 498 x 568mm including amps (stands add 200mm to height)
Weight: 75kg

SCM150SL (Passive)

Drivers: HF 25mm Mid 75mm LF 375mm Super Linear
Amplitude Linearity ±2dB: 60Hz – 17kHz
Frequency Response -6dB: 25Hz & 22kHz
Matched Response: ±0.5dB
Dispersion: ±80° Coherent Horizontal ±10° Coherent Vertical
Sensitivity (sine wave): 91dB @ 1W @ 1m
Max continuous SPL @1m: 117dB SPL
Crossover Frequency: 380Hz & 3.5kHz
Input Connector: Binding Posts/4mm banana plugs
Recommended Power Amplifier: 100 to 1500 Watts
Nominal Impedance: 8 ohms
Cabinet Dimensions(HxWxD): 884 x 498 x 568mm (stands add 200mm to height)
Weight: 67.2kg

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