Loa JBL Control 31
Mã hàng : Control 31 / A.D
Bảo hành : 12 tháng
Tình trạng : Còn hàng
Xuất xứ: Chính hãng Mô tả sản phẩm:
Loa JBL Control 31
Loa JBL Control 31 là dòng loa sân khấu chuyên nghiệp của thương hiệu JBL được nhập khẩu và phân phối chính hãng bởi jblvietnam.vn tại Việt Nam
• 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.
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Loa JBL Control 31
|Frequency Range (-10 dB)||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)|
|Nominal Sensitivity||92 dB|
|Coverage Angle||110° x 110°|
|Directivity Factor (Q)||5.7, averaged 500 Hz to 10 kHz|
|Directivity Index (DI)||7.3 dB, averaged 500 Hz to 10 kHz|
|Nominal 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|
|Low Frequency||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.|
|High Frequency||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 Material||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.|
|Installation||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.|
|Environmental||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.|
|Termination||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).|
|Agency Rating||Transformer is listed per UL1876|
|Colors||Black (RAL9004) or white (-WH, RAL9003)|
|Dimensions||593 x 372 x 345 mm (23.3 x 14.6 x 13.5 in)|
|Weight (ea)||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.|
|Optional Accessories||MTC-30MK Marine-Kit Grille in black or white (-WH), consisting of grille and protective covers for baffle screws. MTC-30CM (&-WH) Ceiling-Mount Adapter for installing speaker down from the ceiling. MTC-30UB (&-WH) U-Bracket|