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Fountek FE85

Fountek FE85 Full Range Drive Unit

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The Fountek FE85 is a compact 90mm full range drive unit featuring an aluminium cone and voice coil former. Like many small metal cone drivers the FE85 has good impulse characteristics, a wide smooth response and low distortion.

The FE85 is ideal for experimenting with single point drive units, multimedia applications or multiple arrays.

Key Features:

  • Aluminium cone / dust cap
  • Rigid pressed steel chassis
  • 20mm copper voicecoil
  • High compliance rubber suspension
  • Aluminium voice coil former
  • Smooth frequency response

Basic parameters:

Resonant frequency (fs) 125 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 2.13 DC resistance (Re) 6.0 Ω
Electrical Q factor (Qes) 0.67 RMS power handling 12 W
Total Q factor (Qts) 0.52 Sensitivity (2.83V/1m) 85.7 dB
Equivalent volume (Vas) 0.85L Chassis diameter 90 mm

Here's the full datasheet:

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