SB26STWGC-4 / Fabric

Features

  • Solid aluminium waveguide
  • Controlled directivity
  • Adapter ring for bolt-less mounting to driver
  • Copper cap for reduced voice coil inductance and minimum phase shift
  • Non-reflective rear chamber with optimized damping for improved dynamics
  • Flow optimized vented pole piece for optimum coupling to rear chamber
  • Fine weave soft fabric dome for smooth frequency response
  • Saturation controlled motor system for low distortion
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency

Specs

  • Nominal Impedance 4 Ω
  • DC resistance, Re 3.2 Ω
  • Voice coil inductance, Le – 0.04 mH
  • Effective piston area, Sd – 6.2 cm2
  • Voice coil diameter 25.4 mm
  • Voice coil height 1.3 mm
  • Air gap height 2.5 mm
  • Linear coil travel (p-p) 1.2 mm
  • Moving mass incl. air, Mms – 0.3 g
  • Free air resonance, Fs 780 Hz
  • Sensitivity (2.83V/1m) 93 dB
  • Mechanical Q-factor, Qms – 2.8
  • Electrical Q-factor, Qes – 2.1
  • Total Q-factor, Qts – 1.2
  • Force factor, Bl – 1.6 Tm
  • Rated power handling* 120 W
  • Magnetic flux density 1.15 T
  • Magnet weight 0.22 kg
  • Net weight 0.61 kg
    *IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct