Is it possible to remove clicks and cackle from cassette tapes?
Yes, only if the recording was made and played on good, well maintained equipment, meaning: decent stylus (needle), cleaned and de-magnetized tape deck heads, using a cassette deck that can be set to CrO2 (type ll) and metal (type lV), recorded onto a type ll cassette (CrO2) or type lV  metal cassette. To date, I have not been able to remove most clicks and crackle from any type I normal cassette (Fe203)

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