SB Acoustics SATORI MW19PNW-4

SB-Acoustics 7 1/2'' SATORI MW19PNW-4

• Vented aerodynamic cast aluminum 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 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) = 70 W
• resonance frequency fs =32 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 91.5 dB (2,83V; 1m)
• DC resistance Re = 3.4 Ohm
• force factor BL = 6.5 N/A
• voice coil inductance L = 0,14 mH
• effective piston radiating area Sd = 158 cm²
• effective mechanical mass incl. air load mms = 18.4 g
• equivalent volume of compliance Vas = 48 l
• total Q factor Qts = 0.28 (Qms=4.11, Qes=0.30)
• voice coil diameter = 39 mm
• mounting diameter d = 165 mm
• overall diameter d = 187 mm
• mounting depth (not countersunk) t = 90.2 mm