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View Full Version : JBL 3677 crossover mod



boothman
01-02-2015, 06:44 AM
http://www.jblproservice.com/pdf/Theatre Series/3677.pdf

Does anyone know which part is responsible for the x-curve high frequency roll off in the above link's crossover schematic?
Would you remove,replace or bypass it to get flatter high frequency response? Thanks.