Loa hộp JBL Control 31

Loa hộp JBL Control 31
Two-Way High-Output Indoor-Outdoor Monitor Speaker

Features
Components:

• 250 mm (10 in) woven fiberglass cone LF driver with 52 mm (2 in) voicecoil.
• High-output 2414H-C compression driver with 25 mm (1 in) exit, unique (patented) design and high-temperature polymer diaphragm.
• 250 Watt capability (in 8Ω thru setting), plus 150 Watt transformer for 70V or 100V distributed lines,
• with 8Ω thru bypass.
• Extended bandwidth, extremely smooth frequency response
• Highly outdoor-capable design with included WeatherMax™ multi-layer grille and optional marine-kit grille for salt-air environments.
• 110° x 110° symmetrical coverage.
• Includes InvisiBall® mounting hardware plus ten 6 mm attachment points for suspension and optional U-bracket.
• Included sealed input panel cover and screw-down input terminals for secure connection.

Specifications

• Frequency Range (-10dB)    33Hz – 19kHz
• Frequency Response (±3 dB)    42Hz – 14kHz
• Power Ratings    250 W (1000 W peak), 2 hrs. 200 W (800 W peak), 100 hrs.
• Maximum SPL (1m)    116 dB continuous (123 dB peak)
• Sensitivity    92 dB
• Coverage Angle    110°H x110°V
• Directivity Factor (Q)    5.7, averaged 500 Hz to 10 kHz
• Directivity Index (DI)    7.3 dB, averaged 500 Hz to 10 kHz
• Impedance    8 ohms
• Crossover Type    2nd order low-pass, 2nd order high-pass, plus conjugate shaping circuitry.
• Transformer Taps    70V: 150W, 75W, 38W, 19W 100V: 150W, 75W, 38W Insertion Loss: <0.65 dB at any tap setting Thru Setting: 8Ω nominal
• Recommended High-Pass    Protective 40 Hz high-pass (24 dB/oct) for any transformer tap and for 8Ω operation
• Drivers    LF: 250 mm (10 in) woven-fiberglass cone with pure butyl rubber surround, 52 mm (2 in) voice coil on high-temperature fiberglass voice coil former, optimized cone geometry, linear suspension spider, FEA-optimized motor construction, aluminum ring on pole piece.
• HF: JBL 2414H-C compression driver with 25 mm (1 in) diaphragm and voice coil diameter, high temperature polymer diaphragm, JBL-patented design, fluid-cooled.
• Enclosure    High impact Polystyrene (HIPS) with 10% glass fill plus patent-pending internal 5 mm foamed polyurethane secondary mold for additional cabinet density.
• Grille    Zinc-plated and thermoset-composite coated steel, WeatherMax™ multi-layer foam with tight-weave mesh vapor barrier.
• Mounting hardware    InvisiBall wall-mounting system included. Ten 6 mm attachment points on cabinet for suspending or for optional U-bracket. One 6 mm secondary safety attachment point (for forged shoulder steel eyebolt, not included) on back panel.
• Outdoor Capability    IP-55 per IEC529. Exceeds MilSpec 810 for humidity, salt-spray, temperature & UV. Passes MilStd-202F for salt spray. Optional MTC-30MK marine-kit grille increases longevity in highly corrosive environments.
• Input Connectors    Screw-down terminal strip, zinc-plated copper based, nickel-plated metal screws and washers. Accepts up to 9 mm outside 4 mm inside open lugs (#6, #8, or #10 lug), plus bare wire (up to 12 AWG / 2.5 mm2).
• Safety Agency    Transformer is listed per UL1876
• Colors    Black (RAL9004) or white (-WH, RAL9003)
• Dimensions (H x W x D)    593 x 372 x 345 mm (23.3 x 14.6 x 13.5 in)
• Net Weight (each)    18.8 kg (41.5lb)
• Shipping Weight (ea)    22.0 kg (48.5 lb)
• Included Accessories    1 pc MTC-PC2 input panel cover, InvisiBall wall-mounting system, 6 mm x 305 mm InvisiBall hex wrench.