The SX218 delivers very high output levels and superb transient performance with minimal distortion.
Please note this product has been updated since January 2019 from an earlier iteration.
Features
- Dual-driver, direct radiating subwoofer
- 2 x 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
- Very high output capability
- Tour-grade plywood enclosure with flying inserts
Applications
- Touring sound reinforcement for small and medium-size venues
- Fixed installations in concert halls, theatres, ballrooms and HoW
- Sports stadium, arena installations & corporate AV events
- Outdoor restaurant, bar and hotel entertainment areas
- Concourses and Theme Parks
| TYPE | Dual-driver, direct radiating subwoofer |
| FREQUENCY RESPONSE (1) | 35Hz – 150Hz ±3dB, -10dB @ 30Hz |
| DRIVER | 2 x 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone |
| RATED POWER (2) | 2000W AES, 8000W peak |
| SENSITIVITY (10) | 105dB |
| MAXIMUM SPL (9) | 144dB |
| NOMINAL IMPEDANCE | 2 x 8Ω |
| DISPERSION (-6DB) | Omnidirectional/or Cardioid (paired) |
| ENCLOSURE | Multi-laminate birch/poplar ply |
| FINISH | Durable Polyurea Coating |
| PROTECTIVE GRILLE | Black perforated Zintec |
| CONNECTORS | 2 x NL4 type |
| PIN CONNECTIONS (INPUT) | LF1: 1+, 1- LF2: 2+, 2- |
| PINS CONNECTIONS (LINK) | LF1: 1+, 1- LF2: 2+, 2- |
| FITTINGS |
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| DIMENSIONS (INCL SKIDS) |
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| WEIGHT |
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SX218
The loudspeaker shall be a subwoofer consisting of two 18” reflex-loaded, long-excursion, low frequency transducers. The on-axis frequency response shall be 35Hz-150kHz +/- 3dB and the loudspeaker shall produce a maximum SPL of 144dB peak calculated at 1 metre.
Power handling shall be 2000W AES, 8000W peak. Rated impedance shall be 8 ohms per driver. The rear connector panel shall be fitted with two NL4 type connectors and the loudspeaker shall be operated in conjunction with a dedicated controller amplifier.
The loudspeaker enclosure shall be constructed from multi-laminate plywood with a durable polyurea coating. The drivers shall be protected by a perforated Zintec grille and the enclosure shall be fitted with bar handles, skids and flying inserts.
Dimensions including skids, excluding castors (W x H x D) shall be 1093mm x 537mm x 792mm (43in x 21.1in x 31.2in). Dimensions including skids and castors (W x H x D) shall be 1085mm x 537mm x 920mm (42,7in x 21.1in x 36.2in). Weight shall be 102kg (225lbs).
The loudspeaker shall be the Martin Audio SX218.
