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User Manual for JBL 3731 Three-Way ScreenArray Cinema Passive Loudspeaker System Click to enlarge the picture
Contents of the user manual for the JBL 3731 Three-Way ScreenArray Cinema Passive
- Product category: In-Wall Speakers JBL
- Brand: JBL
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for JBL In-Wall Speakers
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User manual for the JBL 3731 Three-Way ScreenArray Cinema Passive contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any JBL product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official JBL user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a JBL product will considerably shorten its lifespan!
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Product description Designed to accurately reproduce digital cinema soundtracks, the bi-amplified JBL Professional 3731 is a passive, 3-way cinema loudspeaker system that provides superior coverage, maximum power handling, and uniform acoustic power output along with low distortion. The system's wide dynamic range and extended bandwidth reproduce sound exactly as it was recorded.
The low-frequency enclosure features a single 15" driver while the dual 6.5" mid-driver and 3" high-frequency compression driver are equipped with a molded waveguides. The compression driver waveguide compensates for high-frequency spreading caused by perforated screens for improved audience coverage. The ScreenArray design provides an ideal power response and directivity control with seamless transitions between acoustic sections. The shallow profile of the JBL 3731 is ideal for minimum behind-screen depth requirements. -
- Passive Three-way ScreenArray design for maximum output, optimal coverage and minimum distortion
- Large Format 3” neodymium, titanium diaphragm, high-frequency compression driver
- Low-profile design with single 15” 600 watt LF
- Ships fully assembled
- Molded Optimized Aperture Waveguide technology for low distortion and uniform frequency response
- SSC (Screen Spreading Compensation)
- Focused coverage technology
- Flat front waveguide design for easy baffle wall installation
- Shallow profile for minimum behind-screen depth requirements
In the Box JBL 3731 Three-Way ScreenArray Cinema Passive Loudspeaker System (Bi-Amp) Limited 5-Year Warranty on Drivers Limited 2-Year Warranty on Enclosure Table of Contents
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Technical parametersJBL 3731 Specs | | | Frequency Range | 30 Hz to 20 kHz | | Frequency Response ± 3dB | 40 Hz to 19 kHz | | SPL | 125 dB at 3.3' / 1 m, 131 dB Peak | | Nominal Coverage Angle | H: 90°
V: -30/+20° | | Crossover | 350 Hz | | Bi-Amping | Input Power Handling (AES 100-Hour Rating):
LF: 600 W
M/HF: 150 W | | Sensitivity | HF/LF: 105 dB, 2.83 V at 3.3' / 1 m | | | | Low Frequency Transducer | 1 x 2226H 15" / 380 mm, 4" / 100 mm Edgewound Ribbon Voice Coil Transducer Mounted in a 4507A LF Enclosure | | Input Connectors | Barrier Strip | | Impedance | Nominal Impedance: 8 Ohms
Minimum Impedance 6 Ohms | | Input Power | Input Power Handling (AES 100-Hour Rating): 600 W | | Sensitivity | Free-Field Sensitivity: 97 dB SPL, 2.83 V at 3.3' / 1 m | | | | Mid Frequency Driver | Mid Frequency Transducer (Ships Fully Assembled): 2 x 165H, 6.5" / 165 mm Diameter, 1.5" / 38 mm Voice Coil | | High Frequency Transducer | 1 x 2432H, 3" / 75 mm Titanium Diaphragm and Voice Coil Diameter, 1.5" / 38 mm Exit Diameter | | Input Connectors | Screw Terminal Barrier Strip | | Nominal Impedance | 8 Ohms | | Sensitivity | M/HF Free-Field Sensitivity: 103 dB, 2.83 V at 3.3' / 1 m | | Power Handling | M/HF Input Power Handling (AES 100-Hour Rating): 150 W | | | | Dimensions (H x W x D) | System: 63 x 30 x 17.8" / 160 x 76.2 x 45 cm
Low-Frequency Component: 21.5 x 30.0 x 17.6" / 54.6 x 76.2 x 44.7 cm
M/HF Component: 41.5 x 30 x 17.8" / 105.4 x 76.2 x 45 cm | | Weight | System: 114 lb / 51.7 kg
Low-Frequency Component: 63 lb / 28.6 kg
M/HF Component: 51 lb / 23.1 kg |
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