diyAudio Forums Archive > Top > Amplifiers > Chip Amps Simple fixed crossover - Click HERE for Original Thread soundNERD I need to make a low pass crossover with a cutoff freq. of 50Hz. Can anybody tell me where i can get a schematic of a simple crossover using an opamp to crossover at 50Hz? joensd Texas Instrument offer this filter calculation tool for download. You just have to put in type of filter you want, crossover frequency and that´s it. Regards Jens soundNERD thanks, i'll check it out

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