How strong of a magnet do you need to erase the data on an old-fashioned tape backup system (as in, one of those things that spins around with reels and tapes)?

Got a new tape deck from my Uncle, but when I push play the tape

TIL that not only is magnetic tape still used for data retention

Computer Equals Tapedrive - TV Tropes

Why is magnetic tape still used? - Quora

Magnetic Tape & Disk Data Storage - Vintage Computer Chip

At what temperature would a magnetic tape backup be unreadable due

What are magnetic tape backup best practices? - Quora

Reel-to-reel audio tape recording - Wikipedia

The Science Behind Degaussing: How Magnetic Fields Erase Data We

Plastic tweezers. Swab. Toothpicks A few free outer sleeves for cassette cases : )

25 Brown Pressure Pads for Cassette Tape Repair ~ Peel and Stick Felt (+1 dj Magnet)

Tape drive - Wikipedia

How were oldschool tape recorders able to record and store

I accidentally put cassette very close to large magnet, what do I

Can a magnet damage magnetic tape? - Quora