ESB 9.1T-25 Novemila Series 1 Inch High End Silk Dome Tweeter 100w RMS Pair9. 1T 25 1" 25 mm High End Dome Tweeter Silk dome impregnated with resin with integrated suspension. This dome is made in a single piece that also includes the suspension. This greatly reduces weight allowing the tweeter to reproduce very high frequencies. The absence of joints prevents break up and or vibration phenomena. Magnet made from N52H neodymium, best both for the magnetic force in relation to the mass, and for high temperature support (120 F