Features
- Hard paper cone for improved piston operation (made in-house)
- Large motor system with under-cut pole piece and dual shorting rings
- Vented pole piece for minimum compression
- Vented cast aluminium chassis for optimum strength and low compression
- 3″ copper voice coil for improved power handling
- Long life silver lead wires
- Low damping rubber surround for improved dynamic linearity
- Non-conducting fibre glass voice coil former for minimum damping
- Optimized for vented enclosure
Specs
- Nominal Impedance 8 Ω
- DC resistance, Re 6.2 Ω
- Voice coil inductance, Le 1.2 mH
- Effective piston area, Sd 508 cm2
- Voice coil diameter 75.6 mm
- Voice coil height 28 mm
- Air gap height 8 mm
- Linear coil travel (p-p) 20 mm
- Magnetic flux density 1.1 T
- Magnet weight 3.6 kg
- Net weight 8.9 kg
- Free air resonance, Fs 22 Hz
- Sensitivity (2.83V/1m) 91 dB
- Mechanical Q-factor, Qms 5.5
- Electrical Q-factor, Qes 0.29
- Total Q-factor, Qts 0.28
- Moving mass incl. air,Mms 93 g
- Force factor, Bl 16.6 Tm
- Equivalent volume, Vas 205 liters
- Compliance, Cms 0.56 mm/N
- Mechanical loss, Rms 2.35 kg/s
- Rated power handling* 200 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
