ลำโพงตู้(Lound Speaker)

• ตู้ลำโพง JBL รุ่น PRX712 12 นิ้ว 2 ทาง พร้อมแอมป์ในตัว
• Amp Design : Crown® Class D
• Power Rating : 1500 W
• Frequency Range (-10 dB) :
• Main: 44.8 Hz – 19.6 kHz
• Monitor: 44.8 Hz – 19.5 kHz
• Frequency Response (±3 dB) :
• Main: 55.7 Hz – 18.2 kHz
• Monitor: 56.5 Hz – 17.7 kHz
• Coverage Pattern : 100° x 50° nominal
• Directivity Index (DI) : 10.2 dB
• Directivity Factor (Q) : 10.4
• Crossover Frequency : 1.8 kHz
• Maximum SPL :
• NORMAL 135 dB
• Boost : 135 dB
• Signal Indicators :
• Limit: Yellow LED indicates peak output has been reached and dsp limiter is acting
• Signal: Green LED indicates signal present
• Power/Standby :
• Blue indicates system has power and ready to pass audio, Red indicates system has power but is in a power saving mode and will not pass audio.
• Dynamic Control (Input) : dbx Type IV™ limiter circuit
• Input Impedance : 20K Ohms (balanced), 10K Ohms (unbalanced)
• LF Driver : 1 x JBL 272G 305mm (12 in) woofer
• HF Driver : 1 x JBL 2408H-2 37.5 mm (1.5\") annular polymer diaphragm, neodymium compression driver
• Enclosure : Trapezoidal, 18 mm, plywood
• Transport : 1 x integrated handle with injection molded backing cup
• Finish : Obsidian DuraFlex™ finish
• Grille : Powder coated, Obsidian, 16 gauge perforated steel with acoustical transparent black cloth backing.
• Input Connectors : 2 x Balanced XLR / 1/4 inch input, 2 x unbalanced RCA input
• Output Connectors : 1 male XLR balanced output
• Dimensions (H x W x D) :
• 612.394 mm x 384.556 mm x 341.376 mm
• (24.11 in x 15.14 in x 13.44 in)
• Net Weight : 19.4 kg (42 lb)

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