(English) 
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
(English)
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
