View larger image of JBL Control 31 — official product photo
26 attributes
| Attribute | Value |
|---|---|
| Model | Control 31 |
| 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) |
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| Dimensions (H x W x D) | 593 x 372 x 345 mm (23.3 x 14.6 x 13.5 in) |
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| Net Weight (each) | 18.8 kg (41.5lb) |
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| Shipping Weight (ea) | 22.0 kg (48.5 lb) |
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| Included Accessories | 1 pc MTC-PC2 input panel cover, InvisiBall wall-mounting system, 6 mm x 305 mm InvisiBall hex wrench. |
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| 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 |
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