ตู้ลำโพง ยี่ห้อ JBL รุ่น JRX225D
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Dual JBL low frequency drivers with a 64 mm (2.5 in) diameter edgewound ribbon voice coil which provides more crosssectional wire area in the voice coil gap than round wire designs, for greater efficiency and power handling.
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JBL 2414H-C 25 mm (1 in) polymer diaphragm compression driver improves high frequency performance as well as system reliability.
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The advanced network topology crossover design shapes frequency response and delivers coherent summation in the crossover region.
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High-voltage capacitors and inductors with massive cores and heavy gauge wire enable the crossover network to handle high power without saturating.
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Progressive Transition™ high frequency waveguide provides superior coverage control, reduced distortion, and smoother frequency response.
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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.
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SonicGuard™ protects the highfrequency driver from excess power without interrupting the performance.
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Non-resonant, all-steel handles are used.
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Attractive 18-gauge perforated, steel grille protects components from damage.
Specifications
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Power Rating : 500 W / 2000 W
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Frequency Range (-10 dB) : 42 Hz – 18 kHz
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Frequency Response (±3 dB) : 62 Hz – 13 kHz
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Sensitivity (1w/1m) : 100 dB SPL
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Nominal Impedance : 4 ohms
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Recommended Amplifier Power : 500 W to 1000 W into 4 ohms
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Maximum SPL : 133 dB
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Nominal Dispersion : 90º x 50º
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Crossover Frequency : 2.2 kHz
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Dimensions (H x W x D) : 1092 mm x 464 mm x 432 mm (43 in x 18.3 in x 17 in)
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Weight : 42.6 kg (94 lb)
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High Frequency Driver : JBL 2414H-C , 1″ exit compression driver mounted on Progressive Transition™ Waveguide
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Low Frequency Driver : JBL M115-8A x 2
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Input Connectors : Neutrik® Speakon® NL-4 (x1); .25 in TS phone jack (x1); parallel
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Grille : 18-gauge, powder-coated steel



























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