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From: wjhe@hlexa.UUCP (Bill Hery)
Newsgroups: net.audio
Subject: Re: cassette recording problems
Message-ID: <2052@hlexa.UUCP>
Date: Tue, 8-May-84 09:54:36 EDT
Article-I.D.: hlexa.2052
Posted: Tue May  8 09:54:36 1984
Date-Received: Wed, 9-May-84 02:10:11 EDT
References: <219@whuxj.UUCP>
Organization: AT&T Bell Laboratories, Short Hills, NJ
Lines: 12

I had a similar problem with my cassette deck: mid-high frequency
response falling off drastically and then coming back up in a
cyclical manor, particularly at the begining of a recording 
(playback of previously recorded tapes was ok).).  The problem
turned out to be that the heads needed a GOOD cleaning.  I
had been using cheap Radio Shack head cleaner fluid regularly,
but it just didn't do a decent job.  (I later tried the more
expensive RS cleaner, which did a better job of cleaning, but
evaporated by the time I was ready to use it again.)  Regular
cleaning with a quality head cleaner has solved the problem.

Bill Hery