Features
- Vented cast aluminum chassis for optimum strength and low compression
- Geometrically reinforced aluminum cone for optimum piston operation
and reduced break-up - Soft low damping rubber surround for improved transient response
- Non-conducting fibre glass voice coil former for minimum damping
- Extended copper sleeve on pole piece for low inductance and low distortion
- CCAW voice coil for reduced moving mass
- Long life silver lead wires
- Vented pole piece for reduced compression
Specs
- Nominal Impedance 4 Ω
- DC resistance, Re 3.1 Ω
- Voice coil inductance, Le 0.13 mH
- Effective piston area, Sd 118 cm2
- Voice coil diameter 35.5 mm
- Voice coil height 16 mm
- Air gap height 5 mm
- Linear coil travel (p-p) 11 mm
- Magnetic flux density 1.0 T
- Magnet weight 0.54 kg
- Net weight 1.56 kg
- Free air resonance, Fs 32 Hz
- Sensitivity (2.83 V / 1 m) 90 dB
- Mechanical Q-factor, Qms 5.95
- Electrical Q-factor, Qes 0.34
- Total Q-factor, Qts 0.32
- Moving mass incl. air, Mms 14.8 g
- Force factor, Bl 5.2 Tm
- Equivalent volume, VAS 33 liters
- Compliance, Cms 1.67 mm/N
- Mechanical loss, Rms 0.5 kg/s
- Rated power handling* 60 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
