Repair compact cassette - Tapehead

I made a new cassette, and when I was finished, I listened to the A side and hear the B side in the background in reverse. How do I fix it?

Repair compact cassette - Tapehead

How to recognise a worn tape head : r/vintageaudio

New Reshow High Precision 90 minute Type I cassette tapes

Repair compact cassette - Tapehead

How to fix a snapped magnetic Compact Cassette Tape - Splicing 1/8 magnetic tape

Repair of old school MAXELL HE-44 Head demagnetizer

casette tape head - General Electronics - Arduino Forum

Intro to Cassette Recorder Operation, Maintenance, and Repair : 8 Steps (with Pictures) - Instructables

Retro Audio by Elektor - Issuu

casette tape head - General Electronics - Arduino Forum

Repair compact cassette - Tapehead

Don't Call It a Comeback: Cassettes Have Sounded Lousy for Years (And Still Do!)

Salvage a Broken Mini DV Tape : 3 Steps (with Pictures) - Instructables

BASF Compact Cassette Hobby-Box