ตู้ลำโพง JBL รุ่น JRX215 Two-Way

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Two-Way Sound Reinforcement Loudspeaker System

This trapezoidal, 15" speaker system is at home in live sound, dance music and speech reinforcement.

 

 
FEATURES

 
• JBL 15 in low frequency driver with a 64 mm (2.5 in) diameter edgewound ribbon voice coil which provides more cross-sectional wire area in the voice coil gap than round wire designs, for greater efficiency and power handling.
• JBL 2414H-C 25 mm (1 in ) polymer diaphragm compression driver improves high frequency performance as well as system reliability.
• The advanced network topology crossover design shapes the frequency response to deliver coherent summation in the crossover region.
• High-voltage capacitors and inductors with massive cores and heavy gauge wire enable the crossover network to handle high power without saturating.
• Progressive Transition™ high frequency waveguide provides superior coverage control, reduced distortion, and smoother frequency response.
• The rugged, acoustically superior enclosure is constructed from 19 mm (.75 in ) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for extreme durability and improved low-frequency performance.
• SonicGuard™ protects the high frequency driver from excess power without interrupting the performance.
• Non-resonant, all-steel handles are used.
• Attractive 18-gauge perforated, steel grille protects components from damage.
• Dual-angle pole-mount socket allows the speakers to tilt 10° for more uniform audience coverage.
 

 
SPECIFICATIONS
 
 
Power Rating
250 W / 1000W
 
Frequency Range (-10 dB)
41 Hz - 18 kHz
 
Frequency Response (±3 dB)
59 Hz - 13 kHz
 
Sensitivity (@1m)
99 dB SPL (1w/1m)
 
Nominal Impedance
8 ohms
 
Recommended Amplifier Power
250 W to 500 W into 8 ohms
 
Maximum SPL
129 dB
 
Nominal Dispersion
90º x 50º
 
Crossover Frequency
2.2 kHz
 
Dimensions 
(H x W x D)
699 mm x 460 mm x 432 mm 
(27.5 in x 18.1 in x 17 in)
 
Weight
27.4 kg (60.5 lb)
 
High Frequency Driver
JBL 2414H-C , 1" exit compression driver mounted on Progressive Transition™ Waveguide
 
Low Frequency Driver
JBL M115-8A
 
Input Connectors
Neutrik® Speakon® NL-4 (x1); .25in TS phone jack (x1); parallel
 


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