How to Splice and Repair an Audio Cassette

This is a thorough guide on how to splice a broken audio cassette tape, without making mistakes along the way!
If your leader and tape are accessible without needing to open the cassette, as pictured in the beginning of the video, then there's no need to open the cassette. Go ahead and jump to 6:45.
LINKS TO MATERIALS
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Splicing block:
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Splicing tape:
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OTHER LINKS
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Blank cassettes:
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Cassette cases:
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Professionally duplicated cassettes:
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Duplication.com has been a leading manufacturer and seller of audio cassettes since 1989! Check us out for professional tape duplication and DIY accessories.

[@MusicBoxVinyl]

Thanks! The other videos are couple years old and don’t get to the point, but your video does.

[@kovutlk]

I don't want to be that guy, but that's not what you want to show when you're teaching someone to do a splice. First off, you don't really need a 45 degree cut where you join the leader to the tape, only when you splice tape to tape. Straight cut is just fine for that, as any cassette ever made will show. Second, if you do angled cuts on tape, make sure you cut both sides at the same angle. What you did in the video was cut the tape at 45 degrees and left the leader straight. Then you overlaped the tape and leader which means you have a bit of tape just dangling free, which is a recipie for disaster. Whenever you're splicing any tape, whether it's a cassette tape, 1/4 tape or vhs, the sides of the tape you're joining need to butt together with no overlap or gap. Having an overlap means your tape can catch on your head or pinchroller (if not in the case) and either break or get mangled. Having a gap means you're smearing adhesive over your tape path, also not good.