8″ SB20PFCS30-7 / Paper

PRODUCT COMPARISON

Categories: , , ,

Features

  • Proprietary cone material with natural fibers made in-house
  • Foam surround for maximum transparency and midrange resolution
  • Large spider for improved linearity
  • Vented motor system and coil former for low compression
  • Vented reinforced plastic chassis
  • Non-resonant long-life lead wires
  • High Q design intended for sealed enclosures with series capacitor

Specs

  • Nominal Impedance 7 Ω
  • DC resistance, Re 5.0 Ω
  • Voice coil inductance, Le 0.95 mH
  • Effective piston area, Sd 222 cm2
  • Voice coil diameter 30.5 mm
  • Voice coil height 16 mm
  • Air gap height 5 mm
  • Linear coil travel (p-p) 11 mm
  • Magnetic flux density 0.91 T
  • Magnet weight 0.36 kg
  • Net weight 0.96 kg
  • Free air resonance, Fs 39 Hz
  • Sensitivity (2.83V/1m) 88 dB
  • Mechanical Q-factor, Qms 4.50
  • Electrical Q-factor, Qes 0.77
  • Total Q-factor, Qts 0.66
  • Moving mass incl. air,Mms 19.6 g
  • Force factor, Bl 5.6 Tm
  • Equivalent volume, Vas 59.5 liters
  • Compliance, Cms 0.85 mm/N
  • Mechanical loss, Rms 1.07 kg/s
  • Rated power handling* 40 W

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