Dynamo IW-S - Loudspeaker Martin Logan - Free user manual and instructions
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| Product Type | In-wall active subwoofer |
| Brand | Martin Logan |
| Model | Dynamo IW-S |
| Dimensions (H x W x D) | 12.5 x 12.5 x 4.25 inches (318 x 318 x 108 mm) |
| Weight | 14.5 lbs (6.6 kg) |
| Power Output | 300 watts RMS (600 watts peak) |
| Frequency Response | 25 - 200 Hz ±3 dB |
| Driver | 10-inch (25.4 cm) high-excursion polypropylene cone |
| Amplifier Type | Class-D |
| Inputs | Line-level RCA, LFE input |
| Controls | Volume, crossover frequency (40-200 Hz), phase switch (0/180°) |
| Power Supply | AC 100-240V, 50/60Hz |
| Power Consumption | Typical: 30W, Standby: <0.5W |
| Mounting | In-wall, requires cutout 11.25 x 11.25 inches |
| Grille | Paintable magnetic grille included |
| Maintenance & Cleaning | Wipe with a dry, lint-free cloth. Do not use liquid cleaners. |
| Safety Warnings | Do not expose to moisture or liquids. Ensure proper ventilation. |
| Spare Parts & Repairability | Contact Martin Logan customer service for replacement drivers or amplifier modules. |
| General Information | High-performance in-wall subwoofer designed for home theater and music systems. |
Frequently Asked Questions - Dynamo IW-S Martin Logan
What is the recommended amplifier power for the Dynamo IW-S?
The Dynamo IW-S has a built-in 300W RMS Class-D amplifier, so no external amplifier is needed.
Can I paint the grille to match my wall?
Yes, the magnetic grille is paintable. Use thin coats of standard latex paint to avoid clogging the perforations.
What is the cutout size required for installation?
The required cutout size is 11.25 x 11.25 inches (286 x 286 mm). Ensure depth clearance of at least 4.5 inches.
Does the subwoofer have a built-in crossover?
Yes, it has an adjustable crossover from 40 to 200 Hz, as well as a phase switch (0/180°) for integration with your speakers.
How do I connect the subwoofer to my receiver?
Use a single RCA cable from the subwoofer output of your receiver to the LFE input on the Dynamo IW-S. Alternatively, use the line-level inputs for stereo connection.
What is the frequency response of this subwoofer?
The frequency response is 25 to 200 Hz ±3 dB, providing deep, tight bass.
Does the subwoofer have auto power on/off?
Yes, it features auto-on when a signal is detected and auto-standby after a period of inactivity.
Can I use this subwoofer in outdoor or damp locations?
No, it is designed for indoor use only. Exposure to moisture may damage the speaker and void the warranty.
How do I clean the subwoofer?
Wipe the grille and surface with a soft, dry cloth. Do not use water, solvents, or abrasive cleaners.
What should I do if the subwoofer stops working?
Check the power cord, fuse, and signal source. If it still doesn't work, contact Martin Logan support for repair options.
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USER MANUAL Dynamo IW-S Martin Logan
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Product information
Brand : Martin Logan
Model : Dynamo IW-S
Category : Loudspeaker