• Số 1B, dãy C, ngõ 24 Hoàng Quốc Việt, Cầu Giấy, Hà Nội
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Bachvietpro

SC-434 Screen Channal

Liên hệ

Features

4-Way Screen Channel Loudspeaker, Tri- or Quad-amp

  • 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
  • LF-4315 is constructed of MDF and is heavily braced
  • Low-distortion waveguides provide highly articulate dialogue
  • Shallow depth (20") facilitates installation

SPECIFICATIONS

SC-434

Nominal Coverage

90° horizontal by +20 to -30° vertical

Frequency Range (-6 dB)

33 Hz–20 kHz

Active Crossover Frequencies

250, 1700, and 6000 Hz, 24 dB per octave

 

LF-4315

MHV-1090

Impedance

5.5 ohms

MF: 8 ohms 
HF: 8 ohms 
VHF: 8 ohms

Sensitivity 1 watt/1 meter, half space

99.5 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

1200 watts RMS

 

2 hours of 6 dB crest factor pink
noise, 50 Hz - 20 kHz, AES method

1500 watts continuous

MF: 275 W continuous
HF/VHF: 200 W continuous

MF: 275 W continuous
HF: 100 W continuous
VHF: 100 W continuous

Recommended Amplifier Power

2400 watts continuousmaximum

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 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

Three 15" (381 mm) high efficiency, extended bass woofer featuring a 4" copper voice coils

MF: 10" high-effeciency, horn-loaded cone with pahse plug
HF/VHF: coaxial neodymium compression driver with 3.5" (90 mm) HF diaphram and 1.75" (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

53 × 30 × 20.3

39 × 30 × 20

Dimensions (HWD) mm

762 x 1344 x 516

762 x 990 x 508

Net Weight

260 lb (118 kg)

84 lb (38.5 kg)

System Weight

344 lb (155.5 kg)

Baffle Cut-Out

93" × 32"

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