Features: 3-Way Screen Channel Loudspeaker, Bi- or Tri-amp
Three-way selectable, bi or tri-amplified screen channel system
MH-1075C provides 90° horizontal by +20° to -30° vertical coverage
LF-3215 is constructed of MDF and is heavily braced
Low-distortion waveguides provide highly articulate dialogue
Shallow depth (20") facilitates installation
SPECIFICATIONS
SC-323C
Nominal Coverage
90° horizontal by +20 to -30° vertical
Frequency Range (-6 dB)
33 Hz–16 kHz
Crossover Frequency
280 and 1700 Hz, 24 dB per octave
LF-3215
MH-1075C
Impedance
4 ohms
8 ohms
Sensitivity 1 watt/1 meter, half space
98.5 dB
Bi-amp 105 dB
Tri-amp MF 105 dB
HF 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 pink noise, 50 Hz–20 kHz, AES method) Recommended Amplifier Power
600 watts continuous
800 watts continuous
1200 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 DCM, DCP or QSControl.net
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" (381 mm) high efficiency, extended bass woofers featuring 3" copper voice coils
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
Features: 3-Way Screen Channel Loudspeaker, Bi- or Tri-amp
SPECIFICATIONS
SC-323C
Nominal Coverage
90° horizontal by +20 to -30° vertical
Frequency Range (-6 dB)
33 Hz–16 kHz
Crossover Frequency
280 and 1700 Hz, 24 dB per octave
LF-3215
MH-1075C
Impedance
4 ohms
8 ohms
Sensitivity 1 watt/1 meter, half space
98.5 dB
Bi-amp
105 dB
Tri-amp
MF 105 dB
HF 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 pink noise, 50 Hz–20 kHz, AES method)
Recommended Amplifier Power
600 watts continuous
800 watts continuous
1200 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 DCM, DCP or QSControl.net
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" (381 mm) high efficiency, extended bass woofers featuring 3" copper voice coils
10" high efficiency mid range, 1.5" (38 mm) exit, 3" 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 x 36 x 20.3
30 x 39 x 20
Dimensions (HWD) mm
910 x 762 x 516
990 x 762 x 508
Net Weight
172 lb /78 kg
85 lb /39 kg
System Weight
257 lb /117 kg
Baffle Cut-Out
76" × 32"
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