SC-424
4-Way Screen Channel Loudspeaker, Tri- or Quad-amp
QSC announces divestiture of its Digital Cinema Series product line to Moving iMage Technologies, including the Screen Channel (“SC”), Subwoofer (“SB”), Surround (“SR”), and Screen Channel (“RSC”) product lines.
For all inquiries, please visit DSCreference.com or contact [email protected]
Features
- Four-way selectable, tri or quad- amplified screen channel system
- Unique HF/VHF diaphragm has less mass than traditional diaphragms resulting in exceptional dynamic range, extended high frequency response and lower distortion
- LF-4215 is constructed of MDF and is heavily braced
- Low-distortion waveguides provide highly articulate dialogue
- Shallow depth (20-inch) facilitates installation
| SPECIFICATIONS | SC-424 | |||
| Nominal Coverage | 90° horizontal by +20 to -30° vertical | |||
| Frequency Range (-6 dB) | 33 Hz–20 kHz | |||
| Active Crossover Frequencies | 250, 1700, and 6000 Hz, 24 dB per octave | |||
| LF-4215 | MHV-1090 | |||
| Impedance | 4 ohms | MF: 8 ohms HF: 8 ohms VHF: 8 ohms | ||
| Sensitivity 1 watt/1 meter, half space | 99.5 dB |
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| Maximum Input Power 1 | ||||
| 8 hours of 6 dB crest factor IEC 268 noise spectrum | 800 watts continuous | |||
| 2 hours of 6 dB crest factor pink noise, 50 Hz–20 kHz, AES method | 1000 watts continuous |
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| Recommended Amplifier Power | 1600 watts continuous maximum | MF: 800 W continuous HF: 500 W continuous VHF: 300 W continuous maximum | ||
| Recommended Processing | Subsonic filter below 30 Hz, >18 dB per octave | 4th order LR crossover at 250, 1700, and 6000 Hz via QSC processing | ||
| Connectors | Barrier strip screw terminals accept up to #10 AWG stranded wire | Barrier strip screw terminals accept up to #10 AWG stranded wire | ||
| Transducers | Two 15-inch (381mm) high efficiency, extended bass woofer featuring a 4-inch copper voice coils | MF: 10-inch high-effeciency, horn-loaded cone with phase plug HF/VHF: coaxial neodymium compression driver with 3.5-inch (90 mm) HF diaphram and 1.75-inch (44 mm) VHF diaphram | ||
| Enclosure | Quasi B4 alignment, ported enclosure with fully flared ports, symmetrical port design, tuned to 36 Hz, constructed of MDF and heavily braced. Features vandal resistant woofer mounting bolts | Tilt/Pan Bracket ± 10° vertical tilt ± 10° horizontal pan | ||
| Dimensions (HWD) inches | 36 × 30 × 20.3 | 39 × 30 × 20 | ||
| Dimensions (HWD) mm | 762 x 910 x 516 | 762 x 990 x 508 | ||
| Net Weight | 172 lb (78 kg) | 84 lb (38.5 kg) | ||
| System Weight | 256 lb (116 kg) | |||
| Baffle Cut-Out | 76-inch × 32-inch | |||
Specifications are subject to change without notice.