SB Acoustics SB15CRC30-4 5" Carbon Cone Woofer
Features:
- Rohacell®/Carbon fibre sandwich cone for optimized stiffness/damping ratio
- Vented cast aluminum chassis for optimum strength and low compression
- 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
Specifications:
- Nominal Impedance 4 ?
- DC resistance, Re 3.1 ?
- Voice coil inductance, Le 0.12 mH
- Effective piston area, Sd 82 cm2
- Voice coil diameter 30.5 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 1.46 kg
- Free air resonance, Fs 37 Hz
- Sensitivity (2.83 V / 1 m) 88.5 dB
- Mechanical Q-factor, Qms 3.39
- Electrical Q-factor, Qes 0.36
- Total Q-factor, Qts 0.32
- Moving mass incl. air, Mms 10.2 g
- Force factor, Bl 4.55 Tm
- Equivalent volume, VAS 17.3 liters
- Compliance, Cms 1.81 mm/N
- Mechanical loss, Rms 0.7 kg/s
- Rated power handling* 50 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
