HP 82176A Data Mini Cassette Problems

[Dave Frederickson]

(04-01-2024 10:02 PM)toml_12953 Wrote:  What could be going wrong? Could two NOS tapes be bad?

Yes, the tapes could be bad despite being NOS. The fact is that the tapes are old. Any air leaking into the packaging over the past decades could deteriorate the foam pads that press the tape into the head.