The Control 31 utilizes high-power components, computer optimized horn, and a complex network to achieve smooth, powerful high-fidelity performance, extended bandwidth, and well-controlled defined coverage from a compact loudspeaker.
JBL Control 31 Features
- 250 Watt capability (in 8O thru setting), plus 150 Watt transformer for 70V or 100V distributed lines, with 8O 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
- Components:
- 250 mm (10 in) woven fiberglass cone LF driver with 52 mm (2 in) voice coil
- High-output 2414H-C compression driver with 25 mm (1 in) exit, unique (patented) design and high-temperature polymer diaphragm
- Control 31 1-" 2-Way Monitor Speaker1
- 1 pc MTC-PC2 input panel cover1
- InvisiBall wall-mounting system1
- 6 mm x 305 mm InvisiBall hex wrench1
- 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° 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
- 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 kg (48.5 lb)
