The QSC SC-413C is a professional 3-way screen channel loudspeaker system designed specifically for cinema applications. It’s part of QSC’s Digital Cinema Series (DCS) and is engineered for high output, articulate dialogue, and precise coverage in large auditoriums. Here's a breakdown of its key features and technical specifications:
Overview
- Configuration: 3-way, selectable bi-amp or tri-amp operation
- Components:
- LF-4115: 15" low-frequency woofer
- MH-1075C: 10" midrange driver + 3" titanium diaphragm compression driver
- Coverage: 90° horizontal × +20° to -30° vertical
- THX Approved: Yes
- Mounting: Tilt/pan bracket with ±10° adjustment
Frequency & Power
- Frequency Range: 33 Hz – 16 kHz (–6 dB)
- Crossover Frequencies: 250 Hz and 1700 Hz, 24 dB/octave
- Sensitivity:
- 96.5 dB (1W/1m, half space)
- Bi-amp: 105 dB
- Tri-amp: MF 105 dB, HF 107.5 dB
- Recommended Amplifier Power:
- LF: 400–800 W RMS
- MF: 275 W RMS
- HF: 75 W RMS
- Recommended Processing:
- Subsonic filter below 30 Hz, >18 dB/octave
- 4th-order Linkwitz-Riley crossover at 250 Hz and 1700 Hz
Physical Specs
- Enclosure: MDF, ported, heavily braced
- Dimensions (H × W × D):
- LF-4115: 30 × 18.5 × 20.3 in (762 × 470 × 516 mm)
- MH-1075C: 30 × 39 × 20 in (762 × 990 × 508 mm)
- System Weight: 168 lb (77 kg)
- Connectors: Barrier strip screw terminals (accepts up to #10 AWG wire)
This system is ideal for delivering powerful, intelligible sound in large-format cinemas. If you're integrating it into a projection booth or auditorium design, I can help you pair it with matching amplifiers or processors too.
