Wharfedale Pro Delta F18B 18" Folded Horn Subwoofer
WHA-DELTA-F18B
The Delta F18B is a serious powerhouse that transforms low-frequency output—perfect for venues needing deep, impactful bass that carries over long distances. Its folded-horn cabinet isn’t just about looks; it projects earth-shaking sub-bass further than typical designs, delivering punch that you can feel.
Despite its size, mobility is thoughtful: the 2 castors and sturdy handles make positioning surprisingly straightforward. Slotting a full-range loudspeaker on top is easy too thanks to the integrated 35 mm pole socket. Rugged plywood construction stands up to travel and heavy use, while the Tough-Tone paint finish handles scuffs with ease. Whether boosting the low end for live performances, DJ sets or public events, the Delta F18B brings reliable, musical, stage-shaking weight that stays focused and professional.
| Active or Passive | Passive |
| System Type | Subwoofer |
| Configuration | Folded Horn |
| System Continuous Power | 800 W |
| System Programme Power | 1600 W |
| System Peak Power | 3200 W |
| Max SPL @ 1m | 141 dB (Half Space) |
| Freq Range (-10 dB) | 30 Hz - 300 Hz |
| Freq Response (+/-3 dB) | 40 Hz - 250 Hz |
| 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 | Yes |
| Input Connector | 2 x 4 Pole Speaker Connector |
| Enclosure Material | Birch Plywood |
| Grille Material and Finish | Steel Black |
| Finish | Black Tough-Tone |
| Handles | 4 |
| Deployment | Ground |
| Pole Mount | 35 mm |
| Sensitivity 2.83v / 1m | 106 dB |
| System Rated Impedance | 8 Ω |
| Recommended HPF = BW 18 dB/OCT. | 30 Hz |
| EQ Type | None |
| Included Accessory | User Manual, 2 x Castor Wheels |
| Unpacked - Height (mm) | 914 |
| Unpacked - Width Front (mm) | 610 |
| Unpacked - Width Rear (mm) | 610 |
| Unpacked - Depth (mm) | 914 |
| Packed - Height (mm) | 1009 |
| Packed - Width Front (mm) | 689 |
| Packed - Width Rear (mm) | 689 |
| Packed - Depth (mm) | 994 |
| Weight - Nett (Kg) | 80.5 |
| Weight - Gross (Kg) | 85.2 |
All prices are exclusive of GST and freight, which are automatically calculated on order confirmation and/or checkout. Items in stock are generally dispatched within 1-2 working days of order being confirmed. Standard MDR terms and conditions (available below) apply to all orders.



