THREE_LOUDSPEAKER_CROSSOVERS

Published:2009/7/2 5:12:00 Author:May | From:SeekIC

Active filter network splits AF input into three frequency bands each feeding separate 30-W power amplifier. Design allows adjustment of any part of frequency characteristic to any desired level and gives choice of slopes in any part of frequency band. Article gives design equa-tions and construction details. PNP transistors can be BCY70, BCY71, BCY72, or 2N3906. Article also gives circuit of suitable 30-W amplifier.-D. C.Read, Active Filter Crossover Networks, Wireless World, Dec.1973, p 574-576.



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