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Re: [ARSCLIST] BASF LH 60
Further to my posting of yesterday re detached tapes in the cassette
mechanism of BASF LH C60s, I have spent some time looking into the
source of the problem. These are my findings so far:
In the period 1975-85 there are three distinct version of the BASF LH 60
cassette. Externally these differ municipally in the size and shape of
the central window.
Prior to 1980 all tapes have a small window:
c.1980-81 the window changes shape and size:
After 1981 the window size is increased again:
In the small window version of the cassette the leader is attached to
the spools using wide clips or cleats:
In the later versions the fixing method is modified:
It is the earlier version of the cassette that is causing the problem
(the image shows a selection of broken cleats).
In the later versions the fixing method is more reliable and can be
viewed for verification prior to playing in the later large window version.
It seems to me that the greatest vulnerability in working with vintage
cassette tapes is the tape mechanism itself. Following this experience I
intend to spend some time collecting images and details of the internal
mechanism of the cassettes I work with. If there is interest, I would be
happy to share this information with others.
16 Ocean View
Tyne & Wear
tel: 0191 289 3186