Peerless NE19VTS-04 Tweeter

19mm Dome Tweeter, Neo magnet, no ferrofluid.

This 19mm 4 ohm tweeter features leading-edge transducer technology packaged in a cutting edge, small form factor housing. Features include a Neodymium-Iron-Boron magnet (NdFeB) and a copper capped pole piece for an extended frequency response with reduced distortion. The aluminium rear chamber offers extended low frequency performance whilst doubling as a heat sink. The silk dome profile is designed for optimal sound quality and dispersion. The faceplate is aluminium with a plastic grille for protection of the tweeter diaphragm.

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

Key Features:

• Specially treated pure silk dome
• Neodymium magnet assembly
• Aluminium rear chamber / heatsink
  
• Wide and smooth response
• Copper capped pole piece
  

Basic parameters:

Here's the full datasheet: 

Peerless by Tymphany