Features
- Proprietary cone material with natural fibres made in-house
- High damping Butyl rubber surround for non-resonant sound character
- Vented pole piece for reduced compression
- Vented cast aluminium chassis for optimum strength and low compression
- CCAW voice coil for reduced moving mass
- Long life silver lead wires
- Non-conducting fibre glass coil former for minimum damping
Specs
- Nominal Impedance 8 Ω
- DC resistance, Re 6.4 Ω
- Voice coil inductance, Le 0.34 mH
- Effective piston area, Sd 50 cm2
- Voice coil diameter 25.4 mm
- Voice coil height 15 mm
- Air gap height 5 mm
- Linear coil travel (p-p) 10 mm
- Magnetic flux density 1.07 T
- Magnet weight 0.40 kg
- Net weight 0.92 kg
- Free air resonance, Fs 57 Hz
- Sensitivity (2.83 V / 1 m) 85.5 dB
- Mechanical Q-factor, Qms 4.1
- Electrical Q-factor, Qes 0.41
- Total Q-factor, Qts 0.37
- Moving mass incl. air, Mms 5.2 g
- Force factor, Bl 5.4 Tm
- Equivalent volume, VAS 5.3 liters
- Compliance, Cms 1.49 mm/N
- Mechanical loss, Rms 0.45 kg/s
- Rated power handling* 30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.