(English) 
(English)
The ATC SCS140iW Pro is a high-performance, dual 12” active subwoofer designed for flush in-wall (soffit) installation in large control rooms. It pairs seamlessly with SCM200AiW Pro main monitors for stereo, multichannel, and immersive audio setups. Its cabinet width matches the SCM200 for a clean, integrated aesthetic when installed together. The SCS140iW Pro also complements smaller monitors where extended bass and high SPL are required.
Dual 1-channel 7U/19” rack mount amplifiers to partner SCS240iW Pro subwoofer, suitable for wall or rack mounting.
2 x amplifiers supplied per cabinet.
IDEAL PARTNER TO SCM200AIW PRO MAIN MONITORS.
IN-WALL (FLUSH MOUNT) CABINET WITH RECESSED INPUT PANELS.
ATC HAND-BUILT 12”/314MM SS75-314SC SUBWOOFER DRIVERS.
DUAL R1-300 REMOTE RACK MOUNT AMPLIFIERS (7U/19”).
AMP - SUB CONNECTION VIA NL4 SPEAKER & 5-PIN XLR LED CABLE*
STEREO BALANCED INPUTS & STEREO 'LINK' BALANCED OUTPUTS.
LEVEL, LOW-PASS FREQUENCY & PHASE USER CONTROLS.
REMOTE MUTING VIA FOOTSWITCH**.
HAND-BUILT IN ENGLAND AND COVERED BY A 6-YEAR WARRANTY.
* CABLES SUPPLIED SEPARATELY PRICES ACCORDING TO LENGTH.
** FOOTSWITCH SUPPLIED SEPARATELY, LATCHING TYPE, 1/4”/6.35MM JACK CONNECTION.
ACOUSTIC SPECIFICATIONS
Drive Unit - Bass: 2 x ATC SS75-314SC 8Ω.
Low Frequency Cut-off: 22Hz.
Low Pass Filters: 50Hz, 65Hz, 80Hz, 320Hz (-6dB, 4th order Linkwitz Riley).
MaxSPL: 116dB continuous, 121dB peak (IEC Weighted Pink Noise, measured at 1m, half space, low pass filter set @ 80Hz).
Sensitivity: 85dBC, ref. -17dBu (single channel of both amplifiers driven, Gain +6, Level 0dB, pink noise, low pass filter set at 80Hz).
ELECTRONIC SPECIFICATIONS
Note - specifications are for a single amplifier and two amplifiers are supplied per cabinet.
Balanced Input: 2 x Female XLR, pin 2 hot.
Input Impedance: Approx. 20kΩ (differential).
Input CMRR: 90dB at 200Hz.
Input Sensitivity: 3.2dBu/1.12Vrms for full power (single channel driven, Gain 0dB, Level 0dB).
Gain Control: 0, +6dB, +10dB.
Level Control: 0dB -11dB in 1dB steps. Total range 21dB with use of Gain switch.
Phase Control: 0-180° ref. Input.
Polarity Control: In-phase/Out-of-phase ref. Input.
Low Pass Filters: 4th Order Linkwitz Riley.
Output Impedance: Approx. 100Ω (differential).
Amplifier type: Grounded Source MOSFET based Class A-B, convection cooled.
Output Power: 300W in to 8Ω.
THD+N: <0.003%/-90dB, at 100Hz, 300W into 8Ω over 90kHz bandwidth.
Frequency Response: <2Hz (-3dB) - 320Hz (-6dB, set by panel-controlled LP filter).
Limiter: ATC Active FET Momentary Gain Reduction, active limiter indicated on front panel.
Electronic Amp Protection: Amplifier D.C Offset and over-temperature (both indicated on rear panel).
Power Consumption: Idle 16W/60VA, 1/8th Power 170W/230VA, Full Power 500W / 600VA.
Mains Input: 220-230V, 115V - Factory set. Please observe panel markings and labels.
Heat Output: Idle 47.8 BTU/hr, 1/8th Power 458.9 BTU/hr, Full Power 682.4 BTU/hr.
Additional: Mute via 1/4”/ 6.35mm Jack socket, controlled via latching footswitch.
PHYSICAL SPECIFICATIONS
Net Weight: 69.7kg/153.7lbs.
Product Dimensions: (H x W x D): 784 x 925 x 460mm / 307/8 x 367/16 x 181/8 inches.
See data sheet for a detailed drawing.
