Special Features:

Throat diameter is 2 in.; impedance 8-16 ohms; dc resistance 4.3 to 8.5 ohs porm 10 pct at 25 degrees c; power capaci type 100 w above 500 hz, 150 w above 1 khz; efficiency is 30 pct; frequency range 500 hz to 20 khz; recommended crossover is 500 hz or higher; diaphram is 0.05 mm pure titanium; voice coil diameter is 100 mm; voice coil matl is edgewound aluminum ribbon; dimensions 9-1/4 in. Dia, 5-1/16 depth; mounting w/four 1/4-20 threaded holes, 90 degrees apart on 4 in. Dia

Properties:

A device which converts electrical energy of audio frequencies into audible sound energy and is primarily designed to be used as the actuating mechanism of a loudspeaker (as modified).