Product Specifications |
Manufacturer |
SB ACOUSTICS |
Speaker Type |
White Papyrus Cone Neodymium Midrange |
Nominal Diameter |
13cm |
Impedance |
4 ohms |
Power Handling (RMS) |
40 W |
Resonance Frequency |
41 - 8000 Hz |
Sensitivity |
91 dB |
Voice Coil Diameter |
31mm |
SB ACOUSTICS SATORI MR13PNW-4, 13cm PAPYRUS CONE NEODYMIUM MIDRANGE WHITE 4OHM
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
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 0.11 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.