Description
ATC SCM20ASL
- SCM20ASL on display at the store
- All ATC products sold by our company are made in the UK.
- This product comes with a 5-year warranty and free delivery service (Hong Kong only).
- Image colors are for reference only.
ATC SCM20ASL ACTIVE Speaker
The active SCM20ASL features an on-board 250W Amp Pack. Simply pair with a suitable pre-amplifier, DAC/pre or streaming-pre-amp for stunning results.
SCM20ASL | ACTIVE
The active SCM20ASL features an on-board 250W Amp Pack. Simply pair with a suitable pre-amplifier, DAC/pre or streaming-pre-amp for stunning results.
The active SCM20ASL replaces the passive crossover and the driving amplifier of a 'conventional' system with a precisely matched 'Amp Pack', mounted to the rear of the loudspeaker cabinet. The electronic system consists of a balanced input feeding a 2nd order active electronic crossover which, in turn, feeds a pair of class A/B power amplifiers, carefully tailored to the exact requirements of the mid/bass and high-frequency drive units.
The active crossovers deliver greater precision in both level and timing and the two power amplifiers directly coupled to the drive units result in an improvement in control and dynamic range vs a passive system.
The cabinet is constructed to be heavy and inert with a combination of bracing for stiffness and damping to supress resonance. Bitumastic damping panels are deployed at critical positions to minimize cabinet colouration. It is available in a wide range of finishes.
The SCM20ASL is also available as a floor-standing 'tower' model with identical performance in the form of the SCM20ASLT.
ACOUSTIC SPECIFICATIONS:
Bass/mid driver: 1 x 150mm/6”, SB75-150SL 8Ω
High Frequency Driver: 1 x 25mm/1”, SH25-76S 6Ω
Low Frequency Cut-off: 55Hz (-6dB, anechoic)
High Frequency Cut-off: 25kHz (-6dB)
Crossover Point: 2.2kHz
MaxSPL: 108dB continuous, 114dB peak (per pair, IEC Weighted Pink Noise, 1m, anechoic).
Sensitivity: +4dBu rev 95dBC (Bass Boost 0dB, Input Sensitivity 1V, Pink noise).
ELECTRONIC SPECIFICATIONS
Balanced Input: 1 x Rear Panel Mounted Female XLR, pin 2 hot
Input Impedance: 20kΩ (diff ferential)
Input CMRR: >60dB at (10kHz)
Input Sensitivity: 2.2dBu/1Vrms for full power
Input Sensitivity Control: -6dB switchable, -6dB variable. Total adjustment 2.2dBu/1Vrms to 14.2dBu/4Vrms
Bass Shelf: -2dB to +3dB, switchable in 1dB steps
Crossover Filters: 2nd Order Linkwitz Riley
Amplifier type: Grounded Source MOSFET, class A /B, convection cooled
Output Power: Bass 200W (8Ω), HF 50W (8Ω)
THD+N: <0.0017%/-95dB (1kHz, 1dB below rated power, 90kHz BW)
Frequency Response: <2Hz to >200kHz (-3dB)
Limiter: ATC Active FET Momentary Gain Reduction
Electronic amp protection: Amplifier dc of fset and over-temperature (both indicated by rear panel LED)
Mains Input: 220-230V or 115V, factory set. Please observe panel markings and labels!
Power Consumption: Idle 26W/41VA. 1/8 Power 116W/116VA. Full Power 312W/398VA
Heat Output: Idle 89BTU/hr, 1/8 Power 311BTU/hr, Full Power 382BTU/hr
PHYSICAL SPECIFICATIONS
Net Weight: 27kgs/59.5lbs
Dimensions: HxWxD 450x250x425mm 17 11/16” x 9 13/16” x 14 3/16”