LSR310 - Pregnant JBL - Free user manual and instructions
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| Product Type | Active Studio Subwoofer |
| Model | LSR310 |
| Brand | JBL |
| Dimensions (H x W x D) | 16.1 x 14.9 x 16.3 inches (410 x 378 x 414 mm) |
| Weight | 36.2 lbs (16.4 kg) |
| Power Amplifier | 250 Watts RMS |
| Frequency Response | 22 Hz - 80 Hz |
| Inputs | Balanced XLR and 1/4\" TRS |
| Outputs | Balanced XLR (pass-through) |
| Crossover | Variable low-pass filter 50-100 Hz |
| Protection | Limiter, overload, thermal |
| Enclosure Type | Ported |
| Woofer | 10-inch (254 mm) cone |
| Power Requirement | 100-240V AC, 50/60Hz |
| Features | Auto standby, phase switch, level control |
| Cleaning | Use a dry cloth, avoid solvents |
| Safety | Do not expose to moisture, ensure proper ventilation |
Frequently Asked Questions - LSR310 JBL
What is the power output of the JBL LSR310?
The JBL LSR310 has a built-in 250 Watts RMS amplifier.
What type of connections does it support?
It supports balanced XLR and 1/4" TRS inputs, and balanced XLR pass-through outputs.
How do I set the crossover frequency?
Use the variable low-pass filter control on the back panel, adjustable from 50 Hz to 100 Hz.
Does it have an auto standby function?
Yes, it features an auto standby mode that activates after a period of inactivity to save power.
What is the size of the woofer?
The LSR310 uses a 10-inch (254 mm) cone woofer.
Can I use it with my home theater system?
Yes, it can be integrated into a home theater system via its balanced inputs. Ensure compatibility with your receiver's subwoofer output.
How do I clean the subwoofer?
Clean the enclosure with a dry, soft cloth. Avoid using solvents or abrasive cleaners.
What should I do if the subwoofer overheats?
The subwoofer has thermal protection. If it overheats, turn it off and allow it to cool. Ensure adequate ventilation around the unit.
Is the LSR310 suitable for nearfield monitoring?
Yes, it is designed for professional studio monitoring and works well with nearfield satellite speakers.
How do I set the phase switch?
The phase switch (0°/180°) allows you to align the subwoofer's output with your main speakers. Set to the position that produces the most coherent bass.
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