幸运飞艇7码走势

SC-424-8F

4-way screen channel loudspeaker, tri- or quad-amp


Features

  • Flyable 4-way tri-amplified screen channel speaker system
  • Constructed of heavily braced, 15 mm tour-grade plywood
  • Sixteen M10 attachment points per enclosure for safe and easy suspension
  • Common dimensions of Mid/High and LF enclosures facilitate easy installation in vertical or horizontal arrays
  • Unique HF/VHF diaphragm has less mass than traditional diaphragms resulting in exceptional dynamic range, extended high-frequency response and lower distortion
  • Low-distortion waveguides provide highly articulate dialogue
  • Suspension hardware not included; must be supplied by installer
 
SPECIFICATIONS
 
SC-424-8F
Nominal Coverage 90° horizontal x +20 to -30° vertical
Frequency Range (-6 dB) 33 Hz–22 kHz
Active Crossover Frequencies 280 and 1700 Hz, 24 dB per octave
  LF-4215-8F MHV-1090F
Impedance
 
 
8 ohms
 
MF: 8 ohms
HF: 8 ohms
VHF: 8 ohms
Sensitivity 1 watt /1 meter, half space 99.5 dB MF:105 dB
HF/VHF: 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,
200 Hz - 2 kHz, AES method

Recommended Amplifier Power

800 W continuous


1000 W continuous


1600 W continuous maximum



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

MF: 800 W continuous maximum
HF/VHF: 500 W continuous maximum

 

Recommended Processing
 
Subsonic filter below 30 Hz, >18 dB per octave 4th order LR crossover at 280 and 1700 Hz via QSC processing
Connectors Neutrik Speakon™ NL4 Neutrik Speakon™ NL4
Pin Outs 1+/1- LF; 2+/2- NC 1+/1- MF; 2+/2- HF/VHF
Transducers Two 15-inch (381 mm) high-efficiency, extended bass woofers featuring 4-inch copper voice coils MF: 10-inch high-effeciency, horn-loaded cone with phase plug
HF/VHF: coaxial neodymium compression driver with 3.5-inch (90 mm) HF voice coil and 1.75-inch (44 mm) VHF voice coil
Enclosure Heavily braced 15 mm tour-grade plywood with sixteen M10 load-rated attachments points
Dimensions (HWD) inches 40 × 31.5 × 19 40 × 31.5 × 19
Dimensions (HWD) mm 1016 x 800 x 482.6 1016 x 800 x 482.6
Net Weight 134 lb (61 kg) 121 lb (54.8 kg)
Shipping Weight 144 lb (65 kg) 132 lb (59.7 kg)
System Weight
Net

Shipping

255 lb (116 kg)

276 lb (125 kg)

All proposed mounting systems should be reviewed by a qualified structural engineer.

Specifications are subject to change without notice.

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