Affiliate reviews JBL Professional Control 31-WH Two-Way High-Output Indoor-Outdoor Monitor Speaker, White
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| Speaker Type | Outdoor |
| Brand | JBL Professional |
| Model Name | CONTROL 31-WH |
| Color | White |
| Item Dimensions LxWxH | 30 x 18 x 19 inches |
- 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
- Consistent 90° broadband pattern control 250 watt capability (in 8Ο thru setting) plus 150 watt transformer for 70V or 100V Distributed lines with 8Ο thru bypass
- Extended bandwidth extremely smooth frequency response
- Highly outdoor-capable design with included weatherman multi-layer grille and optional marine-kit grille for salt-air environments
- Includes Invisible 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
From the manufacturer
JBL Professional Control 31-WH
Two-Way High-Output Indoor-Outdoor Monitor Speaker
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. The high-output high frequency compression driver features a unique patented design, high temperature polymer diaphragm, and fluid-cooling for high output levels with low distortion. The field-proven top-quality line distribution transformer, designed for minimal insertion loss and reduced saturation, allows for use on either 70V or 100V distributed speaker lines. In the Thru setting, the 8 ohm impedance allows for the use of up to two speakers on a 4-ohm capable amplifier channel.
- Extended bandwidth, extremely smooth frequency response
- Highly outdoor-capable design with included WeatherMax multi-layer grille
- 110° x 110° symmetrical coverage
- Includes InvisiBall mounting hardware plus ten 6 mm attachment points for suspension
- Available in White or Black (Control 31)
 |  |  |  | |
|---|---|---|---|---|
| JBL Professional Control 28-1-WH | JBL Professional Control 28-1L-WH | JBL Professional Control 30-WH | JBL Professional Control 31-WH | |
| Product type | 8-Inch, High Output Indoor/OutdoorBackground/Foreground Speaker | 8-Inch, High-Output 8-Ohm Indoor/Outdoor Background/Foreground Speaker | 10-Inch, Three-Way High Output Indoor / Outdoor Monitor Speaker | !0-Inch, Two-Way High-Output Indoor-Outdoor Monitor Speaker |
| Power Rating | 240 W Continuous Program (2 hrs) 120 W (480W peak), Continuous Pink Noise (2 hrs) 90 W (360W peak) Continuous Pink Noise (100 hrs) | 240 W Continuous Program (2 hrs) *Continuous Pink Noise rating is IEC-shaped pink noise with a 6 dB crest factor. | 500 Watts Continuous Program Power 250 Watts Continuous IEC Pink Noise | 250 W (1000 W peak), 2 hrs.200 W (800 W peak), 100 hrs |
| Transformer Taps | 70V: 60W, 30W, 15W, 7.5W 100V: 60W, 30W, 15W Insertion Loss: <0.94 dB at any tap setting Thru Setting: 8Ξ© nominal | N/A | 70 V: 150 W, 75 W, 38 W, 19 W 100 V: 150 W, 75 W, 38 W Thru Position: 4 ohms nominal | 70V: 150W, 75W, 38W, 19W 100V: 150W, 75W, 38W Insertion Loss: <0.65 dB at any tap setting Thru Setting: 8Ξ© nominal |
| Sensitivity (1W, 1m) | 91 dB, 1W/1m (ave. 100 Hz – 10 kHz) | 91 dB, 1W/1m (ave. 100 Hz – 10 kHz) *Half-space (on-wall) averaged 100 Hz – 10 kHz, 2.83V. | 93 dB, 1W @ 1m (3.3 ft) | 92 dB |
| Coverage Angle | 100° x 100° | 100° x 100° *Coverage angle (-6 dB) average between 600 Hz and 12 kHz. | 120° H x 110° V | 110° x 110° |
| Maximum SPL (1m) | 112 dB ave. Continuous Pink Noise (118 dB peak) | 112 dB ave. Continuous Pink Noise (118 dB peak) *Calculated from sensitivity and power handling, exclusive of power compression. | Short-Term: 123 dB; Long-Term: 117 dB | 116 dB continuous (123 dB peak) |
| Frequency Response (-10dB) | 45 Hz to 20 kHz | 45 Hz to 20 kHz | 33Hz – 19kHz | |
| Directivity Factor (Q) | 7.3 (averaged 1kHz – 16kHz) | 7.3 (averaged 1kHz – 16kHz) | 5.2 dB, averaged 500 Hz to 10 kHz | 5.7, averaged 500 Hz to 10 kHz |
| Dimensions (H x W x D) | 15.2 "x 11.1" x 8.6" (386 x 282 x 219 mm) | 15.2 "x 11.1" x 8.6" (386 x 282 x 219 mm) | 23.3" x 14.6" x 13.5" (593 x 372 x 345 mm) | 23.3" x 14.6" x 13.5" (593 x 372 x 345 mm) |
| Weight | 15 lbs (6.8 kg) | 13.5 lbs (6.2 kg) | 42 lbs (18.9 kg) | 41.5 lbs (18.8 kg) |
Product Description
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 The 250 mm (10 inch) low-frequency driver features a woven fiberglass cone for a high degree of weather capability and pure butyl rubber surround for clean sound quality a high-temperature fiberglass voice coil former for high sensitivity high output capability and stable performance under long-term high power working conditions The optimized cone geometry provides for smooth frequency response and good off-axis performance A linear suspension spider provides low distortion while FEA-optimized motor construction produces minimum harmonic distortion An aluminum coupler ring outside the pole post further reduces distortion and further increases the sensitivity
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