2pcs davidlouis CMMD Ceramic dome Nd magnet car Tweeters 4ohm 50W

Description

Pair of (2 pcs) DavidLouis CTC25  C.M.M.D dome Car tweeter
CMMD –
Ceramic Metal Matrix Diaphragms
This invention provides a method of manufacturing speaker diaphragm for a loudspeaker that has a composite material formed of two layers of ceramic material separated by a light metal substrate and where the core is formed by stamping a sheet of standard gauge aluminum to form a speaker core and then deep anodizing the core to obtain a ceramic layer of alumina on each surface that is at least about 1 mil. thick.
Aluminum front panel / neodymium magnet
FS:800HZ
impedance: 4Ohm
sensitivity: 92db
power:100W max
frequency: 1000~~30KHZ
recommend crossover point:>2 K