SB Acoustics Satori WO24P-4 9.5'' Egyptian Papyrus Cone Woofer

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
• Low piston to chassis diameter ratio
• Gasket and bolt hole protrusions for reduced coupling to speaker cabinet

Specifications

• Nominal Impedance 4 ?
• DC resistance, Re 3.3 ?
• 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.