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Fountek Neopro5i

Fountek NeoPro5i Ribbon Tweeter

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The Fountek NeoPro5i is a high power, high efficiency large format true ribbon tweeter featuring a 145mm / 5 inch ribbon and a very powerful 1 tesla neodymium magnet system. The NeoPro5i has a very broad, low distortion frequency response of between 850 Hz - 40 Khz. The ribbon material is an ultra light (88mg) multilayer aluminium sandwich with a cross section of 0.015mm (approx 0.6 thou).

The end tensioning clamps form a substantial heatsink for the low impedance ribbon and an impedance matching transformer is built into the back of the housing.

We recommend a minimum crossover frequency of 1.5kHz / 18db octave.

Key Features:

  • Wide extended response 850 Hz - 40kHz
  • Large ultra lightweight ribbon
  • Neodymium magnet system
  • Built in transformer
  • Low distortion
  • Excellent transients
  • Alloy body / faceplate
  • High efficiency design

Basic parameters:

Frequency range 850Hz-40kHz Nominal impedance (Zn) 7 Ω
Ribbon dimensions 145x15mm DC resistance (Ribbon) 0.02 Ω
Effective area (squared) 2175mm RMS power handling 60 W
Crossover frequency 1.5kHz/18db Peak power 120W
Sensitivity (2.83V/1m) 100dB Faceplate (rectangular) 190x115mm

Here's the full datasheet:

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