Heil Tweeter MODEL NO.:HR3326 SPECIAL FEATURES: ►Air motion transformer. ►PI Diaphragm. ►Perfect and real sounds by air propjet radiant way. ►The area of the pulldown diaphragm is six times than that of normal cone tweeter,after it is spreaded. ►Fully smooth Impedence,perfect matchingwith the amplifier. Nominal Impedance: 6Ohm DC resistance: 4.6Ohm Nominal Power(IEC268-5)(HP 3.5KHz 18dB/Oct): 100W Sensitivity(2.83V/1m): 92dB Frequency range: 3.5K~29KHz Magnet: NeFeb Effective Diaphragm Area: 4550mm2 Crossover Point: ≥3K Hz Weight: 370g