Studio Hi-Fi / The Real Hi-Fi

ATC

ATC SCM20ASL Limited Edition

Overview

In celebration of the beginning of 50th Anniversary, ATC is proud to announce the forthcoming release of an exclusive new active stand mount loudspeaker, the SCM20ASL Limited Edition.

The SCM20ASL Limited Edition is a 2-way active loudspeaker released to mark the beginning of ATC’s
50th Anniversary year. This exclusive new model, limited to just 150 pairs, packs ATC’s finest
transducer engineering and active loudspeaker technology into a compact sealed cabinet, finished to
exceptional standards in a stunning high-gloss blue lacquer. Complementing the cabinet, the front baffle
is hand-upholstered in dark blue full-grain Napa leather.

Features

• Compact sealed cabinet finished in high-gloss blue with leather upholstered baffle
• On-board ATC active 250W ‘Amp Pack’ module
• 2nd order Linkwitz-Riley active crossovers
• 2 x class A/B MOSFET amplifiers, 200W bass/mid & 50W high frequency
• User adjustable input sensitivity & bass shelf controls
• Hand-built in England
• 6 year warranty

Specifications

• 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 (differential)
• Input CMRR: >60dB (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
• Amplifier type: Grounded Source MOSFET, class A/B, convection cooled
• Output Power: Bass 200W (8Ω), H.F. 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 d.c. offset and over-temperature (both indicated by rear panel LED)
• Mains Input: 220-230V or 115V, factory set. Please observe rear panel markings and labels!
• Power Consumption: Idle 26W/41VA, 1/8th Power 116W/161VA, Full Power 312W/398VA
• Heat Output: Idle 89BTU/hr, 1/8th Power 311BTU/hr, Full Power 382BTU/hr
• Physical Specifications
• Net Weight: 27kgs/59.5lbs
• Dimensions: See diagram
• Shipping Weights and Dimensions
• Gross Weight: 31.3kg / 68.9lbs
• Carton Dimensions (LxWxH): 56 x 38 x 60cm / 22 x 15 x 23 ½ inches
• A carton contains a single speaker

Information

• ATC SCM20ASL Limited Edition – Owner Handbook
• ATC SCM20ASL Limited Edition – Official Page
• ATC Loudspeakers 50th Anniversary Limited Edition Unveiling and Ben Lilly Interview
• ATC SCM20ASL Limited Edition – Press Releases
• ATC SCM20ASL Limited Edition – Overview, Key Features & Specifications
• ATC C4 Sub Mk2 Limited Edition – Overview, Key Features & Specifications