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Фрагмент инструкции
Power capacity: 50 watts average pink noise, band-limited from 500-20,000 Hz and measured with Altec 300 or 500 Hz horn. Frequency response, uniform from 500 to 13,000 Hz. Pressure sensitivity shall be 109 dB-SPL (re: 20(xPa), with 1 W of pink noise band-limited 500 Hz-16 kHz, at 1 M from lips of MR11594A horn. Minimum impedance: 8 ohms (291-8L), 16 ohms (291-16L). The voice coil shall be 2.8" in diameter, of edge-wound aluminum ribbon, and shall operate in a magnetic gap having a flux density of 2.05 T derived from a 6.87-pound Ferrite V magnet. The diaphragm shall be an aluminum dome and shall have Kapton® suspension. A Tangerine® phasing plug with 13 radial acoustic slots shall serve as the pole piece and shall also 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; adjustable dowel pins shall allow each voice coil to be precisely centered in the voice coil gap. The drive shall be 7.61" in diameter by 5.8" deep (excluding 1" depth of mounting studs), and shall weigh 30.5 pounds. The compression driver loudspeaker shall be the Altec Model 291-8L or 291-16L. ALTEC L-AISISIISIG P.O. BOX 26105, OKLAHOMA CITY, OKLAHOMA 73126-0105, U.S.A. © 1987 ALTEC LANSING CORPORATION 45° APART EQ. SPCD- FROM£ APART EQ. SPCD. FROMÇ (3 PL.) PRINTED IN U.S.A. 1087-3.5M REVISION 5 AL-2297 42-07-027070...
Эта инструкция также подходит к моделям:Акустика - 291-8L (948.4 kb)