In article ,
Paul Dormer wrote:
*Most* cassettes don't go anywhere near 14kHz in practice. On a new
machine with good tape when measured, yes. After a few years use, no.

I just pulled out a 15 year old Denon deck that's been gathering dust
for the last 10, gave it a clean, demagnetized the heads.. I don't
hear anything like the deteroriation you're talking about.

I once spent considerable time going through cassettes sent in by the
public of which some would subsequently be broadcast. And the majority had
azimuth and dolby errors. Even before the tape type and quality was
considered.

Of course they are capable of half decent performance, but not in practice
for the majority.

--
*Don't squat with your spurs on *

Dave Plowman London SW
To e-mail, change noise into sound.