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The Delta-X18B is a passive bass-reflex subwoofer with an 18" driver and a 4" voice coil. The specification lists 800 W continuous into 8 Ω with a maximum SPL of 134 dB at 1 m in half space. A bi-amp mode switch and a 35 mm pole socket are fitted.
| Active or Passive | Passive |
|---|---|
| System Type | Subwoofer |
| Configuration | Bass-reflex |
| System Continuous Power | 800 W |
| System Programme Power | 1600 W |
| System Peak Power | 3200 W |
| Max SPL @ 1m | 134 dB (Half Space) |
| Freq Response (+/-3 dB) | 38 Hz -1.5 kHz (Bi-amp) |
| Freq Range (-10 dB) | 30 Hz - 150 Hz |
| Bi-amp Mode Switch | Yes |
| Bluetooth | No |
| IP Certification | None |
| Driver Brand | Wharfedale Pro |
| LF Driver Size | 18" |
| LF Voice Coil Size | 4" |
| LF Rated Impedance | 8 Ω |
| LF Power (RE:AES2-2012) | 800 W |
| Preset Library | Yes |
| Input Connector | 2 x 4 Pole Speaker Connector |
| Enclosure Material | Birch Plywood |
| Grille Material and Finish | Steel Black |
| Finish | Black Tough-Tone |
| Handles | 2 |
| Deployment | Ground |
| Pole Mount | 35 mm |
| Brackets Included | No |
| Rigging | No |
| Sensitivity 2.83 V / 1 m | 99 dB |
| System Rated Impedance | 8 Ω |
| Recommended HPF = BW 18 dB/OCT. | 30 Hz |
| Transformer (T) | No |
| EQ Type | None |
| Included Accessory | User Manual |
| Unpacked - Height (mm) | 539 |
|---|---|
| Unpacked - Width Front (mm) | 539 |
| Unpacked - Width Rear (mm) | 539 |
| Unpacked - Depth (mm) | 650 |
| Packed - Height (mm) | 638 |
| Packed - Width Front (mm) | 733 |
| Packed - Width Rear (mm) | 733 |
| Packed - Depth (mm) | 615 |
| Weight - Nett (kg) | 37.3 |
| Weight - Gross (kg) | 42.6 |
No. Rigging is listed as no and deployment as ground.
A 35 mm pole mount is listed; brackets are not included.
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