CL 115 Sub MK II - Speaker The Box - Free user manual and instructions
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| Product Type | Active Subwoofer |
| Brand | The Box |
| Model | CL 115 Sub MK II |
| Driver Size | 15 inches |
| Amplifier Power (RMS) | 600 W |
| Peak Power | 1200 W |
| Frequency Response | 30 Hz - 150 Hz |
| Impedance | 8 ohms |
| Enclosure Type | Bass Reflex with Front Port |
| Cabinet Material | MDF |
| Grille | Metal Grille |
| Inputs | XLR, RCA, SpeakON |
| Controls | Volume, Crossover Frequency (30-150 Hz), Phase Switch (0°/180°) |
| Protection Features | Overload, Thermal, Short Circuit |
| Cooling | Active Fan Cooling |
| Power Supply | 230 V ~ 50 Hz |
| Dimensions (W x H x D) | 480 x 400 x 450 mm |
| Weight | 25 kg |
| Maintenance | Clean with a dry cloth; avoid moisture |
| Safety Precautions | Do not open the device; only qualified personnel should service |
Frequently Asked Questions - CL 115 Sub MK II The Box
How do I connect the subwoofer to my mixer?
Use a balanced XLR cable from the mixer's subwoofer out to the subwoofer's XLR input. Alternatively, you can use the RCA inputs for unbalanced connections.
What is the power rating of the CL 115 Sub MK II?
The built-in amplifier delivers 600 W RMS (1200 W peak) for powerful bass performance.
How do I set the crossover frequency?
Adjust the crossover frequency control on the rear panel (range 30-150 Hz) to match your main speakers. For most PA setups, set it around 80-100 Hz.
What are the dimensions and weight of this subwoofer?
Dimensions: 480 x 400 x 450 mm (WxHxD). Weight: 25 kg.
Does the subwoofer have a built-in amplifier?
Yes, the CL 115 Sub MK II is an active subwoofer with a built-in amplifier, so no external amp is needed.
How should I clean and maintain the subwoofer?
Wipe the cabinet with a soft, dry cloth. Do not use any liquids or solvents. Ensure the ports and grille are free from dust.
What type of fuse does it use?
The device uses a T5A/250V fuse. Always replace with the same type and rating.
Can I use this subwoofer in a home theater system?
Yes, it can be used for home theater, but it is designed for professional PA use. Ensure your receiver has a preamp output or a subwoofer out.
Why is there no sound coming from the subwoofer?
Check that the power is on, the volume is turned up, and the signal cable is properly connected. Also verify that the crossover frequency is set correctly and the phase switch is not causing cancellation.
How do I obtain spare parts for this model?
Contact The Box customer service or an authorized dealer. Provide the model number CL 115 Sub MK II and the serial number for accurate parts.
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