Martin Audio Blackline X118
Direct Radiating
Compact 18" Subwoofer
The Blackline X118 is a compact, high performance subwoofer for use with BlacklineX Series full-range loudspeakers. It extends the low frequency operating range of the combined system to 42Hz and provides exceptional low frequency impact. It can be used singly, stacked or flown via integral M10 insets and features a long-excursion 18” (460mm)/3” (75 mm) voice coil driver in a compact reflex enclosure. Its four reflex ports have a large frontal area to reduce turbulent air noise at very high levels.
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Specifications of the Blackline X118
| Type | Compact, direct radiating subwoofer |
| Frequency Response | 42Hz-150Hz ± 3dB, -10dB @ 38Hz |
| Driver | 18” (460mm)/3” (75mm) voice coil, long excursion, ferrite magnet |
| Rated Power | 500W AES, 2000W peak |
| Sensitivity | 104dB |
| Maximum Spl | 131dB continuous, 137dB peak (half space) |
| Nominal Impedance | 8Ω |
| Dispersion (-6Db) | Omnidirectional |
| Crossover | 80-120Hz active |
| Enclosure | Birch/poplar ply |
| Finish | Black textured paint |
| Protective Grille | Black perforated steel |
| Connectors | 3 x NL4 type |
| Pin Connections (Input) | 1+/1- |
| Pin Connections (Link) | A: 1+/- to 1+/-, B: 2+/- to 1+/- |
| Fittings | 16 x M10 inserts, pole-mount socket, 2 x bar handles, provision for castors |
| Dimensions | (W) 530mm x (H) 669mm x (D) 640mm (W) 20.9ins x (H) 26.3ins x (D) 25.2ins |
| Weight | 33kg (72.7lbs) |
