The NeoPro5i ribbon Tweeter is a high-performance component which is probably the best choice for building / upgrading your loudspeaker.
Feature
strong Neodymium magnet
5 inch enforced sandwich diaphragm
high power, high sensitivity
build-in impedance converter
low distortion, very fast transition
Specifications
Sensitivity 100dB / 1m / 2.83v
Power handling 60W nominal, 120W max
Frequency range 850-40,000Hz
Nominal impedance 7 ohm
DCR 0.02 ohm
Ribbon dimension 15mmX145mmX0.015mm
Effective ribbon area 2175square millimeter
Ribbon weight 88 milligram
Gap flux 1.0 Telsa average
Gap height 5 millimeter
Recommend cut frequency 1,500Hz with 4-order
Net. Weight 2840 grams
Element datasheet