QSC
Loa màn hình (screen) cinema QSC SC-422C
Product code: QSC SC-422C
Detailed Description
Features
- Two-way, bi-amplified screen channel system
- HF-75C provides 90° horizontal by +20° to -30° vertical coverage
- LF-4215 enclosure is constructed of MDF and features two single woofer chambers
- Low-distortion waveguide provides highly articulate dialogue
- Shallow depth (20-inch) facilitates ease of installation
| SPECIFICATIONS | SC-422C | |
|---|---|---|
| Nominal Coverage | 90° horizontal by +20 to -30° vertical | |
| Frequency Range (-6 dB) | 38 Hz–16 kHz | |
| Crossover Frequency | 700 Hz, 24 dB per octave | |
| LF-4215 | HF-75C | |
| Impedance | 4 ohms | 8 ohms |
| Sensitivity 1 watt at 1 meter, half space | 99.5 dB | 107.5 dB |
| Maximum Input Power 1 (8 hours of 6 dB crest factor IEC 268 noise spectrum) (2 hours of 6 dB crest factor pinknoise, 50 Hz – 20 kHz, AES method) Recommended Amplifier Power | 800 watts continuous 1000 watts continuous 1600 watts continuous maximum | 60 watts continuous 80 watts continuous 100 watts continuous maximum |
| Recommended Processing | Subsonic filter below 30 Hz, >18 dB per octave | 4th-order LR crossover at 700 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 (381 mm) high efficiency, extended bass woofer featuring a 4-inch copper voice coil | 1.5-inch (38 mm) exit, 3-inch titanium diaphragm compression driver |
| 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 ± 10º vertical tilt ± 10º horizontal pan |
| Dimensions (HWD) inches | 30 × 36 × 20.3 | 30 × 16 × 20 |
| Dimensions (HWD) mm | 910 x 762 x 516 | 406 x 762 x 508 |
| Net Weight | 172 lb (78 kg) | 40 lb (18.4 kg) |
| System Weight | 212 lb (96.4 kg) | |
| Baffle Cutout | 53-inch × 32-inch |
1Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz – 20 kHz band limiting, 6 dB signal crest factor.
Specifications are subject to change without notice.