Sx218 Subwoofer - Martin Audio WPM User Manual

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WPM System
USER GUIDE

SX218 Subwoofer

The SX218 is a compact, high performance subwoofer that extends the low frequency operating range of the WPM system to
35Hz and provides exceptional low frequency output for such a compact enclosure. It features two long excursion 18" (460mm) /
4" (100mm) voice coil drivers with water-resistant cones and triple roll surrounds in a compact reflex enclosure.
The design of the 18" drivers maximise output while minimising power compression and distortion, and the eight reflex ports
have a large frontal area to reduce turbulent air noise at very high levels. The enclosure is constructed from multi-laminate
birch ply, finished with a durable textured coating and equipped with a steel grille, four grab handles, skids, and flying inserts for
installation.
WPM User Guide v1.0
Page 11

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Sx218Sx118Msx passive

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