Features
- Large surround dome for increased acoustic output
- Dual balanced compression chamber for improved dynamics
- Dual copper caps for absolute minimum voice coil inductance and minimum phase shift
- Two part aluminium faceplate with integrated mechanical decoupling
- High saturation neodymium motor system with T-shaped pole piece for lower distortion
- Non-reflective cast aluminium chamber with optimized damping for improved dynamics
- Shallow flow optimized magnet structure for optimum coupling to rear chamber
- CCAW voice coil for low moving mass
- Long life silver lead wires
- Low resonance frequency for extended range
Specs
- Nominal Impedance 4 Ω
- DC resistance, Re 3.0 Ω
- Voice coil inductance, Le 0.02 mH
- Effective piston area, Sd 9.6 cm2
- Voice coil diameter 29 mm
- Voice coil height 2.0 mm
- Air gap height 2.5 mm
- Linear coil travel (p-p) 0.5 mm
- Moving mass incl. air, Mms 0.45 g
- Free air resonance, Fs 650 Hz
- Sensitivity (2.83V/1m) 96.5 dB
- Mechanical Q-factor, Qms 1.66
- Electrical Q-factor, Qes 0.57
- Total Q-factor, Qts 0.43
- Force factor, Bl 3.1 Tm
- Rated power handling* 80 W
- Magnetic flux density 1.5 T
- Magnet weight 0.10 g
- Net weight 0.39 kg
* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.
