This article is from the rec.audio.* FAQ, by with numerous contributions by Bob Neidorff others.
No. They will work fine. They are no more abrasive than common
tape and may actually be less abrasive than very cheap tapes.
Recorders which are designed for CrO2 or Metal tape have
different bias settings and equalization settings to take best
advantage of the greater headroom and to give flat response with
these different types of tape. However, they use similar if not
identical heads as less expensive tape recorders. Almost all
tapes are in some way lubricated, and these lubricants minimize
wear and squeaking.
 
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