The Blackline X218 is a dual-driver, high performance subwoofer for use with BlacklineX Series full-range loudspeakers. With an operating range of 42Hz-200Hz + 3dB, it produces high output levels with low distortion and can be used singly or stacked horizontally. It features dual 18” (460mm)/4” (100mm) voice coil, long-excursion drivers in a reflex enclosure with eight large ports that reduce air turbulence at high output levels.
Features
- Dual-driver, direct radiator subwoofer
- 2 x 18” (460mm) drivers with 4” (100mm) voice coils
- Durable plywood enclosure
- Large ports for reduced air noise
- Powder coated, perforated steel grille
- Integral ergonomic handles
- 35mm pole-mount socket
- Feet for vertical or horizonal operation
- Rebate recesses for stable horizontal stacking
- M10 flying inserts
Applications
- Portable sound reinforcement
- Live music clubs
- Bars and restaurants
- Nightclubs
- Corporate AV events and conferences
- Weddings and parties
- Secondary stages at festivals
- HoW, leisure centres and retail outlets
| TYPE | Dual-driver, direct radiating subwoofer |
| FREQUENCY RESPONSE (5) | 42Hz-200Hz ± 3dB, -10dB @ 33Hz |
| DRIVER | 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet |
| RATED POWER (2) | 1600W AES, 6400W peak |
| SENSITIVITY (8) | 106dB |
| MAXIMUM SPL (9) | 141dB peak (half space) |
| NOMINAL IMPEDANCE | 4Ω |
| DISPERSION (-6DB) | Omnidirectional |
| CROSSOVER | 80-120Hz active |
| ENCLOSURE | Birch/poplar ply |
| FINISH | Black textured paint |
| PROTECTIVE GRILLE | Black perforated steel |
| CONNECTORS | 2 x NL4 type |
| PIN CONNECTIONS (INPUT) | 1+ 1- Link Through 2+ 2- |
| PIN CONNECTIONS (LINK) | 1+ 1- Link Through 2+ 2- |
| FITTINGS | 12 x M10 inserts, pole-mount socket |
| DIMENSIONS | (W) 1049mm x (H) 587mm x (D) 727mm (W) 41.3ins x (H) 23.1ins x (D) 28.6ins |
| WEIGHT | 88kg (194lbs) |
Martin Audio Blackline X218
The loudspeaker shall be a dual-driver subwoofer consisting of two 18” reflex-loaded, long-excursion, low frequency transducers.
The on-axis frequency response shall be 42Hz-200Hz +/- 3dB and the loudspeaker shall produce a maximum SPL of 141dB peak in half space calculated at 1 metre. Power handling shall be 1600W AES, 6400W peak. Rated impedance shall be 4 ohms. The rear connector panel shall be fitted with two NL4 type connectors and the loudspeaker shall be operated in conjunction with a dedicated electronic controller or amplifier with onboard DSP.
The enclosure shall be made from plywood and finished with a black textured paint. Optional white and RAL colour finishes shall be available to special order. The enclosure shall be fitted with a pole-mount socket and M10 threaded inserts for eyebolt suspension of a single enclosure. Provision shall be made for the fitment of castors and the drivers shall be protected by a perforated steel grille.
Dimensions (W x H x D) including feet shall be 1049mm x 587mm x 727mm (41.3in x 23.1in x 28.6in).
Weight shall be 88kg (194lbs).
The loudspeaker shall be the Martin Audio X218.
