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MartinLogan Dynamo Subwoofer System

Available: September 2004
Dynamo US Retail: $599/each

Lawrence, Kansas, August 2004–MartinLogan, the Loudspeaker Technology Company, announces the introduction of the Dynamo high-resolution subwoofer system. Building upon the unprecedented success of MartinLogan’s subwoofer line, the Dynamo delivers dramatic bass detail and attack using a proprietary low mass, high-excursion driver and ultra-fast, high-resolution 200 watt amplifier. The Dynamo will surpass all preconceptions of subs in its class.

High-Resolution Driver Provides Powerful Bass
At the heart of the Dynamo subwoofer lays a proprietary MartinLogan, 10-inch, high-resolution driver, designed and manufactured with the same meticulous attention, care and precision as those found in the ground breaking Descent subwoofer. The combination of Dynamo’s high-excursion aluminum cone and the tremendous field strength generated by the magnet motor structure results in huge excursions and massive cubic displacement capability.

Intuitive Control Architecture and Advanced Crossover Allow Seamless System Integration
Intuitive control functions allow the Dynamo to be easily tuned for any installation. MartinLogan’s dedicated engineering and design team created a robust input/output architecture that easily integrates in both stereo- and multi-channel audiophile systems. Additionally, RCA output allows multiple Dynamo’s to operate in a serial configuration.

Extreme care has been focused on the group delay (phase) characteristics for each of Dynamo’s crossover settings (ranging from 30–80Hz) to deliver precise contouring in both the amplitude and time domain. The result? Seamless and cohesive integration with any system.

Front-Firing and Down-Firing Configuration Maximizes Installation Options
To maximize performance when installed inside of a cabinet or other custom installation, Dynamo’s standard down firing configuration easily converts into a front firing configuration. A grill cover and 90° RCA adaptors are provided for use in front firing applications.

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Versatility in Application
The new Dynamo, available in either silver or black, is optimized for use in stereo- and multi-channel applications and in all installation configurations including in corners, inside cabinets and underneath or behind furniture. Sonically, the Dynamo reproduces sub-bass frequencies with the same exacting accuracy and authority you have come to expect from the MartinLogan line of subwoofer products.



Feature: High-Excursion Aluminum Driver
Benefit: Massive cubic displacement.

Feature: Low Distortion, Ultra-Fast Amplifier
Benefit: Provides precision and power in a small package.

Feature: Front-Firing/Down-Firing Configuration
Benefit: Maximizes installation options.

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Dynamo Specifications

System Frequency Response:
25–120 Hz ± 3 dB. Anechoic through the LFE effects input.

Low-Pass Filter Frequencies:

High-Pass Filter Frequency:

0°, 90°, 180°

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10″ (25.4cm) high-excursion, aluminum cone with extended throw driver assembly

200 watts RMS

L&R RCA — 20,000 Ohms; LFE RCA — 34,000 Ohms

RCA Line Level, RCA-LFE, Speaker-Level

RCA Line Level, RCA Sub Out

28.5 lbs. each (12.9 kg)

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Size (Down Firing Config.) (H x W x D):
13.9″ x 11.7″ x 12.6″ (35.3cm x 29.7cm x 32cm)

Size (Front Firing Config.) (H x W x D):
13.9″ x 11.7″ x 12.9″ (35.3cm x 29.7cm x 32.8cm)

MartinLogan, one of the most respected names in audio, is located in Lawrence, Kansas, where 80 employees handcraft the company’s ultimate loudspeaker products. The speaker systems, incorporating MartinLogan’s patented CLS (Curvilinear Line Source) high-resolution electrostatic technology and ATF (Advanced Thin Film) transducers, range in price from $649 to $90,000 (US Retail). The subwoofer systems range in price from $599 to $2795. For more information regarding MartinLogan visit, or contact Devin Zell at (785) 749-0133. High-resolution images are available on-line at


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