SB Acoustics SATORI MR13P-4

SB-Acoustics 5'' SATORI MR13P-4

• 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.

Specifications

• power handling (continuous/programme) = 40 W
• resonance frequency fs = 41 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 91 dB (2,83V; 1m)
• DC resistance Re = 3.3 Ohm
• force factor BL = 4.3 N/A
• voice coil inductance L = 0,11 mH
• effective piston radiating area Sd = 70 cm²
• effective mechanical mass incl. air load mms = 5,4 g
• equivalent volume of compliance Vas = 19.4 l
• total Q factor Qts = 0.23 (Qms=2.8, Qes=0.25)
• voice coil diameter = 30.5 mm
• mounting diameter d = 111 mm
• overall diameter d = 132 mm
• mounting depth (not countersunk) t = 63.7 mm