SC-433C

3-Way Screen Channel Loudspeaker, Bi- or Tri-amp

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Hero front and angled side view of the SC-433C cinema loudspeaker

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

  • Three-way selectable, bi or tri- amplified screen channel system
  • MH-1075C provides 90° horizontal by +20° to -30° vertical coverage
  • LF-4315 is constructed of MDF and features three single woofer chambers
  • Low-distortion waveguides provide highly articulate dialogue
  • Shallow depth (20-inch) facilitates installation
SPECIFICATIONS SC-433C
Nominal Coverage 90° horizontal by +20 to -30° vertical
Frequency Range (-6 dB) 32 Hz–16 kHz
Crossover Frequency 280 and 1700 Hz, 24 dB per octave
  LF-4315 MH-1075C
Impedance 5.5 ohms 8 ohms
Sensitivity 1 watt/1 meter, half space 101 dB  
Bi-amp
105 dB		 Tri-amp
MF 105 dB
HF 107.5 dB
 
Maximum Input Power1
(8 hours of 6 dB crest factor IEC 268 noise spectrum)

(2 hours of 6 dB crest factor pink noise, 50 Hz–20 kHz, AES method)
Recommended Amplifier Power
1200 watts continuous


1500 watts continuous

2400 watts continuous maximum		  
250 W continuous
passive
mid-high2		 275 W continuous 80 W continuous
350 watts continuous

800 watts continuous maximum
Recommended Processing Subsonic filter below 30 Hz, >18 dB per octave 4th order LR crossover at 280 & 1700 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 Three 15-inch (381 mm) high efficiency, extended bass woofers featuring 4-inch copper voice coils 10-inch high efficiency mid range, 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
±10° vertical tilt
±10° horizontal pan
Dimensions (HWD) inches 30 × 53 × 20.3 30 × 39 × 20
Dimensions (HWD) mm 1344 x 762 x 516 990 x 762 x 508
Net Weight 260 lb (118 kg) 85 lb (39 kg)
System Weight 345 lb (157 kg)
Baffle Cut-Out 93-inch × 32-inch

Specifications are subject to change without notice.