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Vifa Peerless OT19NC00-04 Tweeter

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Vifa / Peerless OT19NC00-04 19mm Ring Radiator Tweeter Capsule.

Features a 19 mm diameter 4 ohm voice coil, a damped ring diaphragm with central phase correction plug, neodymium magnet assembly and a metal rear chamber to provide both a lower resonant frequency and added heat sinking for power handling capacity. This capsule tweeter is has no faceplate and is designed to be bonded snugly into small applications such as compact enclosures, dashboards or pillar trim.

A full datasheet can be downloaded from the bottom of this page.

Key Features:

  • 19mm ring radiator diaphragm with phase plug
  • High power Neodymium magnet assembly
  • Metal rear chamber / heatsink
  • Excellent HF extension
  • Very compact design

Basic parameters:

Resonant frequency (fs) 1029 Hz Nominal impedance (Zn) 4 Ω
Effective diaphragm diameter 19 mm DC resistance (Re) 3.17 Ω
Ferrofluid ? Y/N No RMS power handling 80 W
Recommended crossover 3 kHz 12dB Faceplate diameter -
Sensitivity (2.83V/1m) 85.4 dB Cutout hole diameter -

Here's the full datasheet: 

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Peerless by Tymphany