Features & Applications
Features
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Applications
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Detailed Description Sub 18
Sub 18 uses an 18-inch LF driver in a plywood bass-reflex cabinet for installed systems requiring substantial low-frequency output. It handles 800 W AES into a nominal 8 Ω load. Its specified maximum output is 136 dB peak, measured in half-space.
With the manufacturer’s preset, the response is 42–150 Hz within ±3 dB and extends to 36 Hz at −10 dB. A perforated steel grille protects the driver. Rubber feet support floor placement, and M8 inserts accommodate the suspension methods specified in the user guide.
Use a suitable amplifier and the supported protection preset, with crossover and level set for the companion loudspeakers. The recommended system components are listed in the technical table. Zone and WebApp can provide source management and everyday control across the wider venue.
Explore the Optimal Audio range at B-Star. Technical reference: Sub 18 datasheet and the Optimal Audio brochure.
Technical Specifications Sub 18
ACOUSTICS |
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| TYPE | Sub-bass loudspeaker |
| FREQUENCY RESPONSE (WITH PRESET) | 42Hz-150Hz +/- 3dB -10dB @ 36Hz |
| DRIVERS | LF: 18” (460mm) |
| RATED POWER | 800W (AES) 3200W (peak) |
| NOMINAL IMPEDANCE | 8Ω |
| SENSITIVITY (1 W / 1 m) | 101dB (Half Space) |
| MAXIMUM SPL | 130dB (cont) 136dB (peak) (Half Space) |
CONSTRUCTION & INSTALLATION |
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| ENCLOSURE | Plywood |
| PROTECTIVE GRILLE | Perforated steel |
| FITTINGS | 12x M8, Inset bolts |
CONNECTIONS |
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| CONNECTORS | Euroblock type |
| PIN CONNECTIONS (INPUT) | 4 pin Euroblock with link out |
DIMENSIONS & WEIGHT |
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| DIMENSIONS | (W) 756mm x (H) 530mm x (D) 544mm |
| WEIGHT | 47.0kg (103.6 lbs) |
ACCESSORIES & SYSTEM MATCHING |
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| ACCESSORIES (AVAILABLE SEPARATELY) | M8 Eye Bolt |
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