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Фрагмент инструкции
Measurements made on Altec 511 B horn. 1200 Hz to 20 kHz 500 Hz to 20 kHz 104 dB SPL measured 4' from mouth of Altec 511B horn with 1 watt input of pink noise, band limited from 1200 Hz-5000 Hz 8 ohms (902-8A, 902-8T) 16 ohms (902-16A) Ferrite, 40 ounces 18,000 gauss 5% lbs. (2.61 kg) Aluminum tangential Edgewound aluminum ribbon 51/2" (13.97 cm) diameter 25/8" (6.67 cm) deep, less mounting studs 6 lbs., 6 oz. (2.90 kg) Gray ''Hammertone'' enamel with black rubber boot Two y4"-24 x 1" studs, 180° apart on 1 Vi" centers V *Reg. U.S. Patent No. 4,050,541; Foreign patents pending. Top Bottom 2.60" (6.60cm) ARCHITECT'S AND ENGINEER'S SPECIFICATIONS The compression driver loudspeaker shall meet the following criteria. Power capacity; 10 watts continuous pink noise, band-limited from 1200 Hz to 20 kHz (902-8A, 902-16A), and from 500 to 20 kHz (902-8T), measured on Altec 511B horn. Frequency response, uniform from 1200 Hz to 20 kHz (902-8A, 902-16A), and from 500 Hz to 20 kHz (902-8T). Pressure sensitivity; 104 dB SPL measured at 4' from mouth of Altec 51 IB horn with 1 watt input of pink noise, band-limited from 1200 Hz to 5 kHz. The voice coil shall be of edgewound aluminum ribbon and shall operate in a magnetic gap having a flux density of 18,000 gauss derived from a 40-ounce Ferrite V magnet. The diaphragm shall be an aluminum tangential. A Tangerine® phasing plug with 13 radial acoustic slots shall be utilized to provide the proper phase relationship between the sound emanating from the center and edges of the diaphragm and voice coil assembly. The entire diaphragm and voice coil assembly shall be field replaceable without requiring special tools or skills. The driver shall be 5V2" in diameter by 25/s" deep (excluding 1" depth of mounting studs), and shall weigh 6 pounds, 6 902-8A Driver The driver shall have a minimum impedance of 8 ohms and shall operate at a crossover frequency of 1200 Hz or higher. The compression driver loudspeaker shall be the Altec Model 902-8A. 902-16A Driver The driver shall have a minimum impedance of 16 ohms and shall operate at a crossover frequency of 1200 Hz or higher. The compression driver loudspeaker shall be the Altec Model 902-16A. 902-8T Driver The driver shall have a minimum impedance of 8 ohms and shall be equipped with a loading cap for operation at a crossover frequency of 500 Hz or higher. The compression driver loudspeaker shall be the Altec Model 902-8T. ALTEC LANSING 1515 SOUTH MANCHESTER AVENUE, ANAHEIM, CALIFORNIA 92803 ALTEC CORPORATION...
Эта инструкция также подходит к моделям:Акустика - 902-16A (586.1 kb)
Акустика - 902-8T (586.1 kb)