The XT25TG30-04 from Tymphany features a patented dual concentric diaphragm and a unique wave guide center plug which provide an excellent on- and off-axis response.
Peerless by Tymphany XT25TG30-04 1" Dual Ring Radiator Tweeter
This member of the XT tweeter family utilizes two Tymphany technologies to deliver exceptional sound quality: the ring radiator patent, and the central waveguide patent. This model features a 4 ohm 25mm voice coil, mounted in a ferrite magnet motor. The tweeter also features a rear chamber to create extended low frequency response. The faceplate features recessed mounting holes which minimizes reflections off of mounting screws.