Cassette tape data recovery

Rik Bos hp-fix at xs4all.nl
Mon May 4 06:25:40 CDT 2015



> -----Oorspronkelijk bericht-----
> Van: cctalk [mailto:cctalk-bounces at classiccmp.org] Namens Evan Linwood
> Verzonden: maandag 4 mei 2015 10:48
> Aan: cctalk at classiccmp.org
> Onderwerp: Cassette tape data recovery
> 
> 
> 
> I'm wondering if anyone on the list has much experience recovering data
from
> old cassette tapes?
> 
> 
> 
> The tape to be read is a single cold-start tape that was found sitting the
> B1900 system picked up by Noel Chiappa just recently.
> 
> 
> 
> Given the tape's importance, I'd rather not fry it or blow limited
opportunities by
> attempting it myself!
> 
> 
> 
> - Evan

If you're talking about compact cassettes, like C60/C90 or the data variant
like the Philips LGH 6003, they hold remarkable good.
I've some original HP cassettes for the HP 9830A which are from the early
seventies, all of them hold their data and are working perfect.
The only thing is the cushion which presses the tape to the head, sometimes
they used foam for those. You should replace them .
If you have a normal cassette recorder (old one) you could remove the head
and spool (slow speed) the tape some times to see if it's spools smoothly.
If it doesn't spool smoothly, open op the tape and replace the housing, that
should do the trick.
Copying will another problem because you will need a drive with the same
head configuration, you could try to use an audio card to digitize the tape
and store it for later use.
NB. Use gloves when you handle the tape, to prevent dead spots on the tape. 

-Rik



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