The ATC SCS120 Pro is a 15”/375mm active subwoofer, designed to deliver the exceptional levels of performance required by audio and music professionals and support ATCs range of active monitors. The subwoofers high dynamic range makes it ideally suited to critical monitoring in larger rooms and when paired with larger mid-field and main-monitors and across a very wide range of applications and audio formats including stereo and multi-channel surround plus immersive audio formats such as Dolby Atmos.
ATC HAND-BUILT HIGH-EXCURSION 15”/375MM SS75-375SC SUBWOOFER DRIVER
EXCEPTIONAL BALANCE OF HIGH SPL CAPABILITY, LOW CUT-OFF AND LOW DISTORTION
ATC DISCRETE MOSFET CLASS AB POWER AMPLIFIER
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
*FOOTSWITCH SUPPLIED SEPARATELY, LATCHING TYPE, 1/4”/6.35MM JACK CONNECTION
ACOUSTIC SPECIFICATIONS
Drive Unit - Bass: 1 x SS75-314SC 8Ω
Low Frequency Cut-off: 20Hz (-6dB, half space, low pass filter @ 80Hz)
Low Pass Filters: 50Hz, 65Hz, 80Hz, 320Hz. (-6dB, 4th order Linkwitz Riley)
MaxSPL: 113dB continuous, 119dB Peak (IEC Weighted Pink Noise, measured at 1m, half space, low pass filter set at 80Hz)
Sensitivity: 85dBC, ref. -17dBu (single channel driven, Gain +6dB, Level 0dB, pink noise, low pass filter set at 80Hz
ELECTRONIC SPECIFICATIONS
Balanced Input: 2 x Rear Panel Mounted Female XLR, pin 2 hot.
Input Impedance: Approx. 20kΩ (differential).
Input CMRR: 90dB at 200Hz.
Input Sensitivity: 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 (dif ferential).
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 Of fset 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: 44.5kg / 98.1lbs
Product Dimensions: (H x W x D): 638 x 498 x 568mm / 25 1/8 x 19 5/8 x 22 6/16 inches (heatsink protrudes a fur ther 40mm / 1 9/16 inches from rear). See data sheet for a detailed drawing
The ATC SCS120iW Pro is a 15”/375mm active subwoofer, designed to be mounted flush inwall (soffit mount). It is the ideal partner to in-wall mounted mid-field and main ATC monitors in stereo, multichannel, and immersive audio applications.
1-channel 7U/19” rack mount amplifier to partner SCS120iW Pro subwoofer, suitable for wall or rack mounting.
IN-WALL (FLUSH MOUNT) CABINET DESIGN WITH REDUCED DEPTH AND REMOTE MOUNTED AMPLIFIER.
ATC HAND-BUILT HIGH-EXCURSION 12”/300MM SS75-314SC SUBWOOFER DRIVER.
R1-300 7U/19” REMOTE RACK MOUNT AMPLIFIER.
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.
The acoustic and electronic specifications are identical to the SCS120 Pro model.
PHYSICAL SPECIFICATIONS - SUBWOOFER
Net Weight: 35.3g / 77.8lbs
Product Dimensions: (H x W x D): 630 x 498 x 518mm / 24 13/16 x 19 5/8 x 20 3/8 inches (allow a fur ther 25mm / 1 inch at rear for cable clearance). See dat a sheet for a detailed drawing
PHYSICAL SPECIFICATIONS - AMP
Net Weight: 12kg / 26.4lbs
Product Dimensions: (H x W): 7U x 19” (rack mount). Depth 133mm / 5 1/4 inches. Allow a further 90mm/3 1/2 inches at rear for cable clearance. See data sheet for a detailed drawing
