![[WHA-DELTA-AXF12] Wharfedale Pro - DELTA-AXF12 12_ Active speaker - with internal FIR DSP.jpg](/web/image/product.image/2939/image_128/%5BWHA-DELTA-AXF12%5D%20Wharfedale%20Pro%20-%20DELTA-AXF12%2012_%20Active%20speaker%20-%20with%20internal%20FIR%20DSP.jpg?unique=6e6e05c)
![[WHA-DELTA-AXF12] Wharfedale Pro - DELTA-AXF12 12_ Active speaker - with internal FIR DSP.jpg](/web/image/product.image/2939/image_1024/%5BWHA-DELTA-AXF12%5D%20Wharfedale%20Pro%20-%20DELTA-AXF12%2012_%20Active%20speaker%20-%20with%20internal%20FIR%20DSP.jpg?unique=6e6e05c)
DELTA-AXF12 is a 12″ bi-amplified active loudspeaker from our DELTA-AXF Series — now upgraded with FIR filtering, enhanced amplification, and sonic performance inspired by our flagship WLA-1A System.
Retaining the trusted birch plywood cabinet and custom Wharfedale Pro LF driver of the original DELTA Active range, DELTA-AXF12 introduces a powerful new DSP platform using internal FIR filters. Derived from the development of our WLA-1A System, this upgraded processing delivers precise magnitude and phase control, improved frequency response, and a more defined, consistent sound.
The optimised amplifier module now delivers 800 W continuous power, ensuring increased headroom and tighter, more dynamic performance. Backward compatibility is built in — AXF amplifier modules are fully interchangeable with previous DELTA Active models and can be retro-fitted by service engineers with ease.
Perfectly tuned for use with DELTA-AX15B and DELTA-AX18B active subwoofers, DELTA-AXF12 combines proven touring-grade durability with next-gen DSP precision to unlock the full potential of the DELTA platform.
| Active or Passive | Active |
| System Type | Full-Range |
| Configuration | 2-way |
| System Continuous Power | 800 W |
| System Peak Power | 1600 W |
| Max SPL @ 1m | 130.5 dB |
| Freq Range (-10 dB) | 55 Hz - 20 KHz |
| Freq Response (+/-3 dB) | 60 Hz - 20 KHz |
| IP Certification | None |
| Driver Brand | Wharfedale Pro |
| LF Driver Size | 12" |
| LF Voice Coil Size | 3″ |
| LF Rated Impedance | 8 Ω |
| HF Driver Type | Compression Driver |
| HF Voice Coil Size | 2″ |
| HF Diaphragm Material | Titanium |
| HF Exit Size | 1.4″ |
| HF Power (RE:AES2-2012) | 50 W |
| HF Rated Impedance | 8 Ω |
| HF Nominal Coverage (H x V) | 90° x 45° |
| Input Connector | 1/4” Jack / XLR Combo / 2 x RCA |
| Waveguide Type | Elliptical |
| Enclosure Material | Birch Plywood |
| Grille Material and Finish | Steel Black |
| Finish | Black Tough-Tone |
| Handles | 2 |
| Deployment | Flying, Pole, Ground |
| Pole Mount | Dual Angle (0° / 10°) 35 mm |
| Rigging | Yes |
| M10 | 6 |
| Sensitivity 2.83v / 1m | n/a dB |
| System Rated Impedance | n/a |
| Crossover Frequency | 2.1 kHz |
| Recommended HPF = BW 18 dB/OCT. | 55 Hz |
| Amplifier design | Class D |
| EQ Type | None |
| Active loudspeaker Input Impedance | Balanced: 20K Ω / Unbalanced: 10K Ω |
| Link Connector | pin XLR |
| Input sensitivity | Mic: -40 dBu / Line: 0 dBu |
| Max input level | 22 dBu |
| Line output | Switchable LOOP/MIX Balanced Pin XLR |
| Main Power | AC100-120 V~/220-240 V~,50/60 Hz |
| Power Supply | High Efficiency SMPS |
| Included Accessory | Quick Start Guide, AC Cable |
| Unpacked - Height (mm) | 640 |
| Unpacked - Width Front (mm) | 390 |
| Unpacked - Width Rear (mm) | 241.2 |
| Unpacked - Depth (mm) | 373 |
| Packed - Height (mm) | 745 |
| Packed - Width Front (mm) | 566 |
| Packed - Width Rear (mm) | 328 |
| Packed - Depth (mm) | 464 |
| Weight - Nett (Kg) | 26.5 |
| Weight - Gross (Kg) | 30 |
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.