SB Acoustics Satori MR13P-4 5'' Egyptian Papyrus Cone Midrange

Features:

• Vented aerodynamic cast aluminium chassis for optimum strength and low compression.
• Proprietary cone material with EGYPTIAN PAPYRUS™ fibres made in-house.
• Soft low damping rubber surround for optimum transient response.
• Advanced BIMAX spider for improved linearity.
• Powerful optimized low distortion neodymium motor system.
• Non-conducting fibre glass voice coil former for minimum damping.
• Extended copper sleeve on pole piece for low inductance and reduced distortion.
• CCAW voice coil for reduced moving mass.
• Long life silver lead wires attached 180° apart for improved stability.
• Vented pole piece and coil former 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 0.11 mH
• Effective piston area, Sd 70 cm2
• Voice coil diameter 30.5 mm
• Voice coil height 11 mm
• Air gap height 5 mm
• Linear coil travel (p-p) 6 mm
• Magnetic flux density 1.08 T
• Magnet weight 0.1 kg
• Net weight 0.78 kg
• Free air resonance, Fs 41 Hz
• Sensitivity (2.83 V / 1 m) 91 dB
• Mechanical Q-factor, Qms 2.8
• Electrical Q-factor, Qes 0.25
• Total Q-factor, Qts 0.23
• Moving mass incl. air, Mms 5.4 g
• Force factor, Bl 4.3 Tm
• Equivalent volume, VAS 19.4 liters
• Compliance, Cms 2.79 mm/N
• Mechanical loss, Rms 0.5 kg/s
• Rated power handling* 30 W

* IEC 268-5, high-pass Butterworth, 200 Hz, 12 dB/oct.