[. . . ] The transformer model (ID30CT) includes connections for 25-V and 70-V distributed systems and a screwdriver operated power-tap select switch. The exterior parts are injection-molded from polycarbonate, and all metal parts have been tropicalized for resistance to high humidity and fungus. [. . . ] Strontium ferrite Flux Density: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 00 Tesla Construction: Rugged weatherproof finish for outdoor use Dimensions, Diameter: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10. 6 cm (4. 2 in. ) Height: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13. 2 cm (5. 2 in. ) Net Weight, ID30C-8/-16: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 6 kg (3. 5 lb) ID30CT: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. 1 kg (4. 5 Ib) Shipping Weight, ID30C-8/-16: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 8 kg (4. 0 Ib) ID30CT: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. 3 kg (5. 1 Ib) Recommended Horns: Cobreflex IIB, Cobreflex III, PH, 2WP, SMH, SH Installation Remove the plastic cap from the threaded throat of the driver and screw the driver into the horn until firmly seated Install the horn/driver assembly in intended location, referring to the instructions provided with the horn. Remove the three screws from the rear of the driver housing and open the housing for access to the wiring. Loosen the gland nut in the side of the driver housing enough to admit the loudspeaker wire/cable. Alternately, a 1/2-inch conduit fitting can be substituted for the gland nut. For the ID30CT, connect the loudspeaker wires to the "com" terminal and the appropriate line terminal (25 V or 70 V). [. . . ] 53390, Phone: (52) 5358-5434, FAX: (52) 5358-5588 4, The Willows Centre, Willow Lane, Mitcham, Surrey CR4 4NX, UK, Phone: 44 181 640 9600, FAX: 44 181 646 7084 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7424, FAX: 952-887-9212 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-887-7491, FAX: 952-887-9212 Figure 4. Impedance Response - FC100 Horn www. electrovoice. com · Telex Communications, Inc. [. . . ]