Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
Paper Cone Neodymium Woofer |
Nominal Diameter |
24cm |
Impedance |
4 ohms |
Power Handling (RMS) |
100 W |
Frequency Response |
28-2500 Hz |
Sensitivity |
91 dB |
Voice Coil Diameter |
49.5mm |
SB ACOUSTICS SATORI WO24P-4, 24cm PAPYRUS CONE NEODYMIUM WOOFER BLACK 4OHM
Features
Hard paper cone for improved piston operation (made in-house)
Large optimized motor system with under-cut pole piece and dual shorting rings
Vented aerodynamic cast aluminium chassis for optimum strength and low compression
Soft low damping rubber surround for optimum transient response
Linear symmetric suspension design for improved dynamic performance
Non-conducting fibre glass voice coil former for minimum damping
Long life silver lead wires attached 180° apart for improved stability
Vented pole piece for reduced compression
High piston to chassis diameter ratio
Gasket and bolt hole protrusions for reduced coupling to speaker cabinet
Specs
Nominal Impedance 4 Ω
DC resistance, Re 3.3 Ω
Voice coil inductance, Le 0.29 mH
Effective piston area, Sd 255 cm2
Voice coil diameter 49.5 mm
Voice coil height 23 mm
Air gap height 6 mm
Linear coil travel (p-p) 17 mm
Magnetic flux density 1.1 T
Magnet weight 1.36 kg
Net weight 3.7 kg
Free air resonance, Fs 28 Hz
Sensitivity (2.83V/1m) 91 dB
Mechanical Q-factor, Qms 6.7
Electrical Q-factor, Qes 0.42
Total Q-factor, Qts 0.40
Moving mass incl. air,Mms 42 g
Force factor, Bl 7.6 Tm
Equivalent volume, Vas 71 liters
Compliance, Cms 0.77 mm/N
Mechanical loss, Rms 1.1 kg/s
Rated power handling* 90 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.