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Fountek FR88EX

Fountek FR88EX Full Range

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The Fountek FR88EX is a compact 88mm full range drive unit featuring an aluminium cone, high flux neodymium magnet system, non resonant chassis and an underhung copper ribbon voice coil. This small drive unit has a smooth, extended frequency range with excellent transients and low distortion.

Key Features:

  • Aluminium cone - excellent transients
  • Non resonant chassis
  • 20mm underhung copper ribbon voicecoil
  • High compliance rubber suspension
  • Aluminium voice coil former
  • Smooth frequency response
  • Neodymium magnet system
  • Long throw design - 6mm excursion

Basic parameters:

Resonant frequency (fs) 95 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 1.96 DC resistance (Re) 6.0 Ω
Electrical Q factor (Qes) 0.62 RMS power handling 15 W
Total Q factor (Qts) 0.47 Sensitivity (2.83V/1m) 84.3dB
Equivalent volume (Vas) 1.26L Chassis diameter 88 mm

Here's the full datasheet:

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