QSC SC-444 ลำโพงภาพยนตร์ 4 ทาง 4×15 นิ้ว

ตัวแทนจำหน่าย QSC SC-444 ลำโพงภาพยนตร์ 4 ทาง 4×15 นิ้ว High power, tri or quad-amp, 4-way, 4×15″, consists of 2x LF-4215 and MHV-1090 components

291,000฿

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QSC SC-444 ลำโพงภาพยนตร์ 4 ทาง 4×15 นิ้ว

QSC SC-444

คุณสมบัติ:

  • 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
  • Two LF-4215 enclosures, constructed of MDF each features two single woofer chambers
  • Low-distortion waveguides provide highly articulate dialogue
  • Shallow depth (20-inch) facilitates installation

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Specifications

SPECIFICATIONS
SC-444
Nominal Coverage 90° horizontal by +20 to -30° vertical
Frequency Range (-6 dB) 33 – 20 kHz
Active Crossover Frequencies 280, 1700, and 6000 Hz, 24 dB per octave
LF-4215 (2) MHV-1090
Impedance 4 ohms each MF: 8 ohms
HF: 8 ohms
VHF: 8 ohms
Sensitivity 1 watt/1 meter, half space 102.5 dB
Tri-amp
MF:105 dB
HF/VHF: 110 dB
Quad-amp
MF: 105 dB
HF: 110 dB
VHF: 110 dB
Maximum Input Power 1
8 hours of 6 dB crest factor
IEC 268 noise spectrum
800 watts continuous each
2 hours of 6 dB crest factor pink
noise, 50 Hz–20 kHz, AES method
1000 watts continuous each
MF: 275 W continuous
HF/VHF: 200 W continuous
MF: 275 W continuous
HF: 100 W continuous
VHF: 100 W continuous
Recommended Amplifier Power 1600 watts continuous maximum each 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 280, 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 Four 15-inch (381 mm) high efficiency, extended bass woofer featuring a 4-inch copper voice coils MF: 10-inch high-effeciency, horn-loaded cone with pahse 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 72 × 30 × 20.3 39 × 30 × 20
Dimensions (HWD) mm 762 x 1820 x 516 762 x 990 x 508
Net Weight 344 lb (156 kg) 84 lb (38.5 kg)
System Weight 428 lb (193.5 kg)
Baffle Cut-Out 111.6-inch × 32-inch

1 Maximum 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.

ดาวน์โหลด

QSC SC-444 Data Sheet

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