7½″ SATORI MW19PNW-4 / Paper

PRODUCT COMPARISON

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

Specs

  • Nominal Impedance 4 Ω
  • DC resistance, Re 3.4 Ω
  • Voice coil inductance, Le 0.14 mH
  • Effective piston area, Sd 158 cm2
  • Voice coil diameter 39 mm
  • Voice coil height 19.6 mm
  • Air gap height 6 mm
  • Linear coil travel (p-p) 13.6 mm
  • Magnetic flux density 1.1 T
  • Magnet weight 0.15 kg
  • Net weight 1.48 kg
  • Free air resonance, Fs 29 Hz
  • Sensitivity (2.83V/1m) 91.5 dB
  • Mechanical Q-factor, Qms 4.53
  • Electrical Q-factor, Qes 0.26
  • Total Q-factor, Qts 0.24
  • Moving mass incl. air,Mms 17.4 g
  • Force factor, Bl 6.5 Tm
  • Equivalent volume, Vas 61 liters
  • Compliance, Cms 1.73 mm/N
  • Mechanical loss, Rms 0.7 kg/s
  • Rated power handling* 70 W

* IEC 268-5, T/S parameters measured on drive units that are broken in.