Mach CW218 - Uncategorized MARTIN - Free user manual and instructions
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| Product Type | Professional Dual 18" Subwoofer |
| Brand | Martin Audio |
| Model | Mach CW218 |
| Category | Professional Audio Equipment |
| Driver Configuration | 2 x 18" low-frequency drivers |
| Frequency Response | 30 Hz - 150 Hz (±3 dB) |
| Sensitivity | 103 dB (1W @ 1m) |
| Power Handling | 2400 W continuous, 9600 W peak |
| Impedance | 4 ohms nominal |
| Maximum SPL | 138 dB continuous, 144 dB peak |
| Enclosure Type | Bass reflex with optimized porting |
| Input Connections | 2 x Neutrik Speakon NL4 |
| Dimensions (H x W x D) | 500 mm x 1165 mm x 700 mm |
| Weight | 85 kg |
| Recommended Amplifier | 3000 W per cabinet at 4 ohms |
| Construction | Birch plywood with durable polyurea paint |
| Grille | Perforated steel with acoustic foam backing |
| Protection | Overload protection via amplifier presets |
| Applications | Live sound, club installations, touring systems |
| Mounting | Handles and pole mount socket |
| Warranty | 2 years |
Frequently Asked Questions - Mach CW218 MARTIN
What is the recommended amplifier power for the Mach CW218?
For optimal performance, use an amplifier delivering 3000 W RMS per cabinet at 4 ohms. Ensure the amplifier has adequate headroom and is capable of handling low-frequency transients.
How should I set the crossover frequency for the CW218?
Set the crossover frequency around 80-120 Hz when used with full-range speakers. Adjust based on your system's configuration and room acoustics. Use a digital sound processor (DSP) for precise alignment.
Does the Mach CW218 require active filtering?
Yes, it is recommended to use an active crossover or DSP to provide high-pass protection to the subwoofer and to shape the response. The CW218 is designed to be driven with appropriate filtering to prevent over-excursion below its operating band.
What type of connectors are on the CW218?
The subwoofer features 2 x Neutrik Speakon NL4 connectors wired in parallel. This allows easy daisy-chaining of multiple cabinets from a single amplifier channel.
Can I use the Mach CW218 outdoors?
The standard version is not weatherized, but a weatherized option is available for outdoor installations. If using indoors, always protect the cabinet from rain and excessive moisture. For permanent outdoor use, specify the weatherized model.
How do I connect the dual 18-inch drivers for a 4-ohm load?
The drivers are internally wired in parallel, which results in a nominal 4 ohm impedance. To connect, use a single Speakon cable wired to pins 1+ and 1-. Multiple cabinets can be linked using the second Speakon connector.
What is the best placement for maximum bass response?
Place the subwoofer near a solid wall or corner to increase boundary coupling. For even coverage, position multiple units in a cardioid or end-fire array. Avoid centered placements that create nulls, and use measurement tools to optimize phase alignment.
How should I maintain the Mach CW218 enclosure?
Regularly inspect the grille for dust and debris, and clean with a soft brush. Wipe the painted surfaces with a damp cloth and mild detergent. Check that all screws and driver mounting hardware are tight, and protect the cabinet from direct sunlight to prevent paint fading.
Are spare parts available for the CW218?
Yes, Martin Audio offers genuine replacement parts such as 18-inch transducers, grilles, and connector panels. Contact your Martin Audio distributor for availability and ordering.
Can I stack Mach CW218 cabinets?
Yes, the cabinet is constructed from durable birch plywood and can be safely stacked as long as the floor is level. For permanent installations, use appropriate rigging hardware and secure the cabinets to prevent movement or tipping.
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USER MANUAL Mach CW218 MARTIN
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Product information
Brand : MARTIN
Model : Mach CW218
Category : Uncategorized