User manual ELECTRO-VOICE 1829BT EDS

[. . . ] Their sensitivity, when mounted on a FC100 horn, will be 105 dB (1 W/1 M) with a 500 to 5, 000 Hz pink noise signal applied. The loudspeaker(s) will be capable of handling a 30 watt, 500 to 5, 000 Hz pink noise signal with a 6 dB crest factor for a period of eight hours. The 1828T shall have a height of 12. 7 cm (5. 0 in. ), a width of 10. 2 cm (4. 0 in. ), and a depth of 13. 3 cm (5. 2 in. ). [. . . ] The 1828C shall have a diameter of 8. 31 cm (3. 3 in. ), and a height of 10. 2 cm (4. 0 in. ). Both shall have a throat opening of 2. 54 cm (1 . 0 in. ) with a 1-3/8"-18 thread for mounting. The loudspeakers are the 1828T which includes a 70V/25V line matching transformer (see Table 1) and weighs no more than 2. 3 kg (5 lb), and the University Sound 1828C, which has a nominal impedance of 8 ohms and weighs no more than 2. 2 kg (4. 7 lb). Specifications: Frequency Response: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 -10, 000 Hz ±5 d8 (see Figure 2) Power Handling, 8 Hours, 6 dB Crest Factor: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 watts (500-5, 000 Hz pink noise) Impedance, Nominal: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 ohms Minimum: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. 5 ohms (FC100 horn) Sound Pressure Level at 1 Meter, 1 Watt Input Averaged, Pink Noise Band-Limited from 300-3, 000 Hz: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 dB (FC100 horn) Voice Coil Diameter: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3. 81 cm (1. 50 in. ) Magnet Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Values for other frequencies can be determined by using the formula: C= [ C200 x 200 f ] C200 = Values shown in the following table f = New Frequency For drivers without transformers: 8-ohm driver, 25 V - 100 mf 150 Vdc or 150 V non-polarized electrolytic, or two 150 Vdc electrolytics of two times required value in series, back to back, for 70 volt lines. Table 1. Series Protection Capacitors for 200 Hz and Below A transformer and power selection panel is installed in the base of the housing. Power taps for the transformer are listed in Table 1. Low-Frequency Driver Protection When frequencies below the low-frequency cutoff for the horn assembly are fed to the driver, excessive current may be drawn by the driver. For protection of driver, amplifier, and transformer (if driver with built-in transformer is used), capacitor(s) in series with driver, or transformer primary are recommended. Table 1 indicates Power 30 W 15 W 8W 4W 2W 1W 1/2 W 70-Volt Lines 25-Volt Lines Impedance Capacitance Impedance Capacitance 166 5 mf 333 2 mf 625 1 mf 156 5 mf 1250 0. 5 mf 312 2 mf 625 1 mf 1250 . 5 mf Figure 1. Distortion Response - Plane Wave Tube (1 inch) (3 watt input) Figure 2. Distortion Response - FC100 Horn (1 watt / 1 meter) Figure 3. Impedance Response - Plane Wave Tube (1 inch) Figure 4. Impedance Response - FC100 Horn USA Canada Switzerland Germany France Australia Hong Kong Japan Singapore Mexico UK Africa, Mid-East Latin America 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-884-4051, FAX: 952-884-0043 705 Progress Avenue, Unit 46, Scarborough, Ontario, Canada, M1H2X1, Phone: 416-431-4975, 800-881-1685, FAX: 416-431-4588 Keltenstrasse 11, CH-2563 IPSACH, Switzerland, Phone: 41/32-331-6833. [. . . ] Impedance Response - Plane Wave Tube (1 inch) Figure 4. Impedance Response - FC100 Horn USA Canada Switzerland Germany France Australia Hong Kong Japan Singapore Mexico UK Africa, Mid-East Latin America 12000 Portland Ave South, Burnsville, MN 55337, Phone: 952-884-4051, FAX: 952-884-0043 705 Progress Avenue, Unit 46, Scarborough, Ontario, Canada, M1H2X1, Phone: 416-431-4975, 800-881-1685, FAX: 416-431-4588 Keltenstrasse 11, CH-2563 IPSACH, Switzerland, Phone: 41/32-331-6833. FAX: 41/32-331-1221 Hirschberger Ring 45, D94315, Straubing, Germany, Phone: 49 9421-706 392, FAX: 49 9421-706 287 Parc de Courcerin, Alle Lech Walesa, Lognes, 77185 Marne La Vallee, France, Phone: 33/1-6480-0090, FAX: 33/1-6480-4538 Unit 23, Block C, Slough Business Park, Slough Avenue, Silverwater, N. S. W. [. . . ]