The Faital Pro 4FE42 4Ω 4-Inch Professional Woofer is a 100 mm loudspeaker driver with a nominal impedance of 4 Ohm. It provides 40 W AES power handling, 80 W maximum power handling, 93 dB sensitivity, and a 100÷20000 Hz frequency range. The driver uses a 25 mm voice coil, Kapton former, neodymium ring magnet, steel basket, and copper cap demodulation. Its depth is 54.1 mm, with a 91.5 mm baffle cutout diameter and 390 g net weight.
Faital Pro 4FE42 (4Ω, 4-Inch) Professional Woofer
RRP: $89.00 ex. GST
Key Features:
- 100 mm (4 in) nominal diameter
- 4 Ohm nominal impedance
- 40 W AES power handling
- 80 W maximum power handling
- 93 dB sensitivity (1W/1m)
- 100÷20000 Hz frequency range
- 25 mm (0.98 in) voice coil diameter
- Neodymium Ring magnet
- Steel basket with Copper Cap demodulation
Technical Data
| Nominal Diameter | 100 mm (4 in) |
| Overall Diameter | 129.85/100.5 mm (5.11/3.96 in) |
| Bolt Circle Diameter | 115.26 mm (4.54 in) |
| Baffle Cutout Diameter | 91.5 mm (3.60 in) |
| Depth | 54.1 mm (2.13 in) |
| Flange and Gasket Thickness | 7 mm (0.28 in) |
| Net Weight | 390 g (0.9 lb) |
| Nominal Impedance | 4 Ohm |
| Minimum Impedance | 4.1 Ohm |
| AES Power Handling | 40 W |
| Maximum Power Handling | 80 W |
| Sensitivity (1W/1m) | 93 dB |
| Frequency Range | 100÷20000 Hz |
| Voice Coil Diameter | 25 mm (0.98 in) |
| Winding Material | Aluminium |
| Former Material | Kapton |
| Winding Depth | 7 mm (0.28 in) |
| Magnetic Gap Depth | 4 mm (0.16 in) |
| Flux Density | 1.4 T |
| Magnet | Neodymium Ring |
| Basket Material | Steel |
| Demodulation | Copper Cap |
| Cone Surround | Half Roll |
| NET Air Volume filled by Loudspeaker | 0.105 dm^3 (0.004 ft^3) |
| Spider Profile | 1x constant height waves |
| Fs | 110 Hz |
| Re | 3.5 Ohm |
| Qes | 0.4 |
| Qms | 6.6 |
| Qts | 0.38 |
| Vas | 1.8 dm^3 (0.06 ft^3) |
| Sd | 50.9 cm^2 (7.89 in^2) |
| Xmax | 2.83 mm |
| Xdamage | 5.1 mm |
| Mms | 4.3 g |
| Bl | 5.4 N/A |
| Le | 0.05 mH |
| Mmd | 3.9 g |
| Cms | 0.49 mm/N |
| Rms | 0.5 kg/s |
| Eta Zero | 0.64 % |
| EBP | 275 Hz |