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Free Shipping
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36 Instalments
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2 Years Warranty
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Free Shipping
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36 Instalments
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2 Years Warranty
15″ in-wall active studio subwoofer with R1-300 amplifier
The ATC SCS120iW Pro is the in-wall (soffit) version of the SCS120 Pro, with a 15″ driver and an external R1-300 7U/19″ amplifier. It is the ideal partner for in-wall ATC mid-field and main monitors in stereo, multichannel and immersive systems.
For in-wall installation
The SCS120iW Pro is flush-mounted in the front wall of the control room, alongside in-wall ATC monitors. Soffit mounting removes reflections from the wall behind the speaker and gives cleaner, more linear bass.
External R1-300 amplifier
The 300 W MOSFET class A/B amplifier sits in a separate R1-300 7U chassis, mounted in a rack or on the wall, away from the cabinet. This keeps the cabinet shallow and lets the fanless amplifier cool properly.
Hand-built in England
ATC hand-builds its drivers and amplifiers in Stroud, England, from voice-coil winding to the final test of every unit. That is why its subwoofers are covered by a 6-year warranty.
Features
- 15″/375 mm active subwoofer for in-wall (soffit) installation
- Reduced-depth cabinet with recessed connection panel
- External ATC R1-300 7U/19″ amplifier, for rack or wall mounting
- Amp-to-sub connection via NL4 speaker and 5-pin XLR LED cables (sold separately)
- Stereo balanced inputs and link outputs, level, low-pass and phase controls
- Remote muting via footswitch
- Hand-built in England, 6-year manufacturer warranty
Specifications
- Acoustic and electronic specifications identical to the SCS120 Pro
- LF cut-off: 20 Hz (−6 dB, half-space, 80 Hz low-pass)
- Max SPL: 113 dB continuous, 119 dB peak (1 m, half-space)
- Low-pass filters: 50, 65, 80, 320 Hz (−6 dB, 4th-order Linkwitz-Riley)
- Inputs: 2 x female XLR (pin 2 hot), approx. 20 kΩ impedance, CMRR 90 dB at 200 Hz
- Link outputs: stereo balanced
- Input sensitivity: 1.12 Vrms for full power
- Controls: gain 0 / +6 / +10 dB, level 0 to −11 dB in 1 dB steps, phase 0 – 180°, polarity
- Amplifier: grounded-source MOSFET class A/B, convection cooled, 300 W into 8 Ω
- THD+N: < 0.003% (100 Hz, 300 W)
- Protection: active FET momentary gain reduction, DC offset and over-temperature protection
- Mute via footswitch (latching, 6.35 mm jack, sold separately)
- Power consumption: 16 W idle, 500 W full power
- Subwoofer dimensions (H x W x D): 630 x 498 x 518 mm (+25 mm at rear for cables)
- Subwoofer weight: 35.3 kg
- R1-300 amplifier: 7U x 19″, 133 mm deep, 12 kg
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