Features
- Proprietary cone material with natural fibres made in-house
- Foam surround for maximum transparency and midrange resolution
- 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 4 Ω
- DC resistance, Re 3.1 Ω
- Voice coil inductance, Le 0.27 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 0.84 T
- Magnet weight 0.32 kg
- Net weight 0.75 kg
- Free air resonance, Fs 61 Hz
- Sensitivity (2.83 V / 1 m) 87 dB
- Mechanical Q-factor, Qms 5.3
- Electrical Q-factor, Qes 0.53
- Total Q-factor, Qts 0.48
- Moving mass incl. air, Mms 5.8 g
- Force factor, Bl 3.6 Tm
- Equivalent volume, VAS 4.1 liters
- Compliance, Cms 1.17 mm/N
- Mechanical loss, Rms 0.42 kg/s
- Rated power handling* 30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
