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The Martin Logan Dynamo 500 is a high-performance powered subwoofer featuring a 10-inch polypropylene cone woofer in a bass-reflex (ported) enclosure with dual low-turbulence ports to maximize bass output while minimizing distortion. It includes a built-in amplifier delivering 120 watts continuous power and 360 watts peak output, with a continuously variable low-pass crossover from 50 to 200 Hz and a rear-mounted phase switch, volume, and crossover controls. The subwoofer supports line-level and LFE RCA inputs and features auto on/off functionality. Its cabinet is finished in black ash and measures approximately 13-1/16" W x 14-3/4" H x 15-13/16" D, weighing 28.5 lbs. The Dynamo 500 is designed for seamless integration with stereo or multi-channel home theater systems, providing tight, accurate bass suitable for music and home theater applications. It comes with a 3-year warranty upon product registration.
Driver and acoustic performance characteristics
Amplification power output and characteristics
Driver configuration and enclosure design
Input and output connections
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
Components that show up alongside the Dynamo 500 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The R-100SW's power @ 8ω is 150W against the Dynamo 500's 120W, its low-frequency extension 32 Hz against 29 Hz, and its high-frequency extension 120 Hz against 200 Hz. Both share woofer (10").
Both turn up in the same documented systems.
The PSW-10's power @ 8ω is 50W against the Dynamo 500's 120W, its low-frequency extension 40 Hz against 29 Hz, and its high-frequency extension 160 Hz against 200 Hz. Both share woofer (10").
The PowerCube SPC-8's power @ 8ω is 150W against the Dynamo 500's 120W, its low-frequency extension 40 Hz against 29 Hz, its woofer 8" against 10", and its high-frequency extension 120 Hz against 200 Hz.
The SubSonic 5i's power @ 8ω is 150W against the Dynamo 500's 120W, its low-frequency extension 27 Hz against 29 Hz, and its high-frequency extension 150 Hz against 200 Hz. Both share woofer (10").
Paradigm PDR-10
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