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Fountek FR135EX

Fountek FR135EX Full Range

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The Fountek FR135EX is a 145mm full range drive unit of high power handling and considerable throw. With a highly dynamic sound and wide useable bandwidth there's much to like here - it's a great choice for single point source systems.

Features include a multi ringed black aluminium cone, high flux neodymium magnet system, aluminium phase plug, non resonant diecast chassis and an underhung copper ribbon voice coil.

Key Features:

  • Aluminium cone - excellent transients
  • Non resonant diecast chassis
  • 32mm copper ribbon voicecoil
  • High compliance rubber suspension
  • Aluminium voice coil former
  • Smooth frequency response
  • Neodymium magnet system
  • Underhung, long throw design ± 5mm
  • Aluminium central phase plug

Basic parameters:

Resonant frequency (fs) 61.5 Hz Nominal impedance (Zn) 8 Ω
Mechanical  Q factor (Qms) 1.7 DC resistance (Re) 6 Ω
Electrical Q factor (Qes) 0.69 RMS power handling 40 W
Total Q factor (Qts) 0.49 Sensitivity (2.83V/1m) 85.1dB
Equivalent volume (Vas) 6.2L Chassis diameter 145 mm

Here's the full datasheet:

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