HF Ferrite Drive - Driver in ferrite
- Best performance to price 1.4” exit driver on the market
- 108 dB 1W / 1m average sensitivity
- 1.4 inch throat exit
- 2.4 inch edgewound aluminum voice coil
- 140 W program power handling
- Pure Titanium diaphragm assembly
- Proprietary phase plug design
- HF copper sleeve for reduced distortion and increased output
- Available also in 2" exit version


General Specifications HF
Throat Diameter | 35,5 mm (1,4 in) |
Rated Impedance | 8 Ohm |
D.C. Resistance | 5,9 Ohm |
Minimum Impedance | 7,6 Ohm at 5100 Hz |
Le (1kHz) | N/A |
Program power (8) | 140W |
Sensitivity (9) | 108 dB |
Frequency Range | 1000 Hz - 20 kHz |
Diaphragm material | Titanium |
Voice Coil Diameter | 61mm (2,4 in) |
Voice Coil winding material | Edge-wound aluminum Ribbon |
Magnet material | Ferrite |
Flux Density | 1,6 T |
Bl Factor | N/A Tm |
Mounting information
Overall diameter | 145 mm (5,7 in) |
N. of mounting holes and bolt | 4xM6 holes at 90° Ø 102 mm (4 in) |
Bolt circle diameter | 102 mm (4,02 in) |
Total depth | 65 mm (2,56 in) |
Net weight | 2,8 Kg (6.16 lb) |
Shipping weight | 3 Kg (6.6 lb) |
Packaging Dimensions | 3 Kg (6.6 lb) |