SB Acoustics SB23CACS45-4 8'' Ceramic Cone Woofer
Features
- Soft low damping rubber surround for improved transient response
- Geometrically reinforced ceramic cone for improved break-up control
- Shorting ring in motor system for reduced distortion
- Vented pole piece for reduced compression
- Vented cast aluminium chassis for optimum strength and low compression
- Shallow design
- Non-conducting fibre glass voice coil former for minimum damping
- CCAW voice coil for reduced moving mass
- Long life silver lead wires
Specifications
- Nominal Impedance 4 ?
- DC resistance, Re 3.3 ?
- Voice coil inductance, Le 0.27 mH
- Effective piston area, Sd 216 cm2
- Voice coil diameter 45.5 mm
- Voice coil height 19 mm
- Air gap height 6 mm
- Linear coil travel (p-p) 13 mm
- Magnetic flux density 0.86 T
- Magnet weight 0.8 kg
- Net weight 2.7 kg
- Free air resonance, Fs 23 Hz
- Sensitivity (2.83V/1m) 90 dB
- Mechanical Q-factor, Qms 6.0
- Electrical Q-factor, Qes 0.35
- Total Q-factor, Qts 0.33
- Moving mass incl. air,Mms 33 g
- Force factor, Bl 6.7 Tm
- Equivalent volume, Vas 95 liters
- Compliance, Cms 1.43 mm/N
- Mechanical loss, Rms 0.8 kg/s
- Rated power handling* 60 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.