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.