Overview The shielded version of the famous Dayton Audio Silk Dome, this tweeter offers the same performance but in a CRT-safe design. Features a 1-1/8' silk dome with a ferrofluid cooled voice coil for superior damping. Compare it to drivers costing $30 to $40 more! Recommended for crossover points as low as 1,800 Hz, making it ideal for most 2-way speaker designs. 5 year warranty. Specifications: ; Power handling: 50 watts RMS/100 watts max ; VCdia: 1.14' ; Le: 0.09 mH ; Impedance: 8 ohms ; Re: 5.6 ohms ; Frequency range: 1,600-20,000 Hz ; Fs: 813 Hz ; SPL: 89 dB 1W/1m ; Qms: 1.97 ; Qes: 1.6 ; Qts: 0.88 ; Dimensions: Overall diameter: 4.33', Cutout diameter: 3.07', Depth: 1.42'.