Diaphragm materials:Titanium
Inside diameter of voice coil :25.5mm (25.4mm)
Impedance:4 ohm
Replacement Diaphragm for many brands and model of tweeter 1" voice coil
DB Drive - P5TW 1D DB Drive - P5TW 3D DB Drive - P5TW 7D DB Drive - P5TW 8D Quantum Audio - QPT3D Quantum Audio - QPT6D Bass Inferno - BIPT3D Bass Inferno - BIPTW6D Audiopipe - ATX-3720 AudioPipe - ATR-3721 AudioPipe - ATR-3231 Pyramid - TW18 Sound Storm (SSL) - SPT6 DTI - DT600 Cadence - CVLT35N Cadence - CVLT45 McLaren Audio - MLT28 Lanzar Pro - 1001 DS18 - TWR11 DS18 - TWR19 DS18 - TWR20 DS18 - TWR21 DS18 - TWR22 DS18 - TWR132 DS18 - PRO-TW110 DS18 - PRO-TW210 Audiotek - ATW440P AudioDrift - DTX-18 Pyle Pro - PDBT18 AND MORE BRANDS