Vifa BC25TG15-04 1" Textile dome tweeter
Impedance 4 ohmResonance frequency (fs) 1130 HzSensitivity 94dBPower Handling (IEC) 50 WattsQms 1.59Qes 1.06Qts 0.64BL 2.1 TmMms 0.4gSd 6.8 cm2Re 3.1 ohmVc diameter 25mmVC height 2mmGap height 3mmSee pdf file for curve and mechanical drawing.104mm diameter face plate (4")70mm diameter hole size (2.76")26.7mm depth (1.1")