Vifa OT19NC00-04 Tweeter

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:

Here's the full datasheet: