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The REASON-X18B is a passive bass-reflex subwoofer with an 18" driver and 4" voice coil, rated at 1000 W continuous and 4000 W peak into 8 Ω. It reaches 139 dB maximum SPL at 1 m in half space. The birch plywood cabinet has two handles, a 35 mm pole mount and 2 x 4 pole speaker connectors.
| Active or Passive | Passive |
|---|---|
| System Type | Subwoofer |
| Configuration | Bass-reflex |
| System Continuous Power | 1000 W |
| System Programme Power | 2000 W |
| System Peak Power | 4000 W |
| Max SPL @ 1m | 139 dB (Half Space) |
| Freq Response (+/-3 dB) | 35 Hz - 1 kHz |
| Freq Range (-10 dB) | 30 Hz - 800 Hz |
| Bi-amp Mode Switch | No |
| 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) | 1000 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 | 103 dB |
| System Rated Impedance | 8 Ω |
| Recommended HPF = BW 18 dB/OCT. | 30 Hz |
| Transformer (T) | No |
| Included Accessory | Quick Start Guide |
| Unpacked - Height (mm) | 600 |
|---|---|
| Unpacked - Width Front (mm) | 560 |
| Unpacked - Width Rear (mm) | 560 |
| Unpacked - Depth (mm) | 756 |
| Packed - Height (mm) | 680 |
| Packed - Width Front (mm) | 650 |
| Packed - Width Rear (mm) | 650 |
| Packed - Depth (mm) | 850 |
| Weight - Nett (kg) | 53.4 |
| Weight - Gross (kg) | 55.2 |
Deployment is listed as ground, and a 35 mm pole mount is listed. Rigging is listed as No.
8 Ω for both the driver and the system.
A Quick Start Guide.
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