Constant Coverage HF Horn w/1.4 inch throat entry REQUIRES DRIVER

Unique Eighteen Sound elliptical shape ESS Injection molded polyurethane construction Uniform on-axis and off-axis frequency response 60 Degrees x 50 Degrees horizontal and vertical constant coverage Very low distortion at high sound pressure levels Throat Diameter 35.5 mm 1.4 in Horizontal Coverage -6dB 60 Degrees 8 - -12 average range 1.25KHz - 12.5KHz Vertical Coverage -6 dB 50 Degrees 15 - -10 average range 1.25KHz - 12.5KHz Directivity Index 18 dB 1.8 - 2.6 average range 1.25KHz - 12.5KHz Usable Frequency Range Above 500 Hz Recomm. Cross.Frequency 800 Hz or more Sensitivity 1 110 dB Frequency Range 800 Hz - 18KHz Material Injection molded polyurethane Mouth Height 304 mm 12 in Mouth Width 380 mm 15in Depth 257 mm 10.1 in Mouth Mounting Dimensions 8 06 holes Net weight 1.3 Kg 2.871b