Sorry, I meant Stewart, altho you are also now the steward of these
cassettes.
Best,
John
On Sat, Feb 27, 2016 at 2:00 PM, John Haley <[log in to unmask]> wrote:
> Steward, please let us know how you come out with this.
>
> Thanks,
> John
>
>
> On Fri, Feb 26, 2016 at 5:09 PM, Stewart Adam <[log in to unmask]>
> wrote:
>
>> Hi Richard,
>>
>> I will try baking one over the weekend and see what happens . The
>> cassettes seem to be a generic version, there is no specific name on any of
>> the tapes.
>>
>> Thank you
>>
>> Stewart
>>
>> > On Feb 26, 2016, at 2:53 PM, Richard L. Hess <[log in to unmask]>
>> wrote:
>> >
>> > Hi, Stewart,
>> >
>> > If they are going to respond to baking, that might be a bit on the shy
>> side. Since you've already done that, try one at 48 hours. The Ampex patent
>> says 50 and 54 °C so that's about 122 and 129 °F so I would try the tape at
>> maybe 125 °F or so. I'd use a thermocouple probe and make certain my
>> temperature swings don't go above 130 °F.
>> >
>> > Anyway, I don't expect it will work, but it's worth a try as baking is
>> much easier than D5. I would use a tape you've already got a semi-good
>> transfer from for the extended baking.
>> >
>> > Do you know the type of the tape?
>> >
>> > There's more insight into reel baking here:
>> >
>> >
>> http://richardhess.com/notes/formats/magnetic-media/magnetic-tapes/analog-audio/degrading-tapes/
>> >
>> >
>> > Cheers,
>> >
>> > Richard
>> >
>> > On 2/26/2016 1:51 PM, Stewart Adam wrote:
>> >> Hi Richard,
>> >>
>> >> I baked them for 5 hours at 120F
>> >>
>> >> Thank you
>> >>
>> >> Stewart
>> >>
>> >>> On Feb 26, 2016, at 1:23 PM, Richard L. Hess <
>> [log in to unmask]> wrote:
>> >>>
>> >>> Hello, Stewart,
>> >>>
>> >>> How long did you bake? At what temperature? What kind of oven?
>> >>>
>> >>> There are some cassettes that do not respond to baking. In fact, I
>> think a smaller percentage of cassettes do respond to baking than reels.
>> >>>
>> >>> This is why I use D5 (decamethylcyclopentasiloxane) for this. It
>> ultimately evaporates.
>> >>>
>> >>> I place a cotton swab in an existing supply-side hole and inject that
>> swab with D5 using a syringe.
>> >>>
>> >>> My paper on tape degradation that was originally presented at the
>> Audio Engineering Society's 121st convention in October 2006 in San
>> Francisco was published in the ARSC Journal in the Fall of 2008. It is
>> available here:
>> >>>
>> http://www.richardhess.com/tape/history/HESS_Tape_Degradation_ARSC_Journal_39-2.pdf
>> >>>
>> >>> (the above two lines need to be combined into the URL).
>> >>>
>> >>> Cheers,
>> >>>
>> >>> Richard
>> >>>
>> >>>
>> >>>
>> >>> On 2/26/2016 11:11 AM, Creative Audio Works DAW wrote:
>> >>>> Hello,
>> >>>>
>> >>>> I am transferring a large collection of cassettes and have a few
>> that seem to have scrape flutter. These tapes are from the early and mid
>> 70’s. I have tried playing them on several decks and there where no
>> changes. I tried reshelling them thinking there might be some drag in the
>> shell causing it. No change. I also tried baking them but I did not expect
>> that it would help. It did not.
>> >>>>
>> >>>> I have a Studer A710 that allows me to access the sides of the
>> cassette shell. I was thinking of drilling a hole in the left side of the
>> cassette and spray something that might help lubricate the supply tape path.
>> >>>>
>> >>>> Any suggestions would be greatly appreciated.
>> >>>>
>> >>>> Thank you
>> >>>>
>> >>>>
>> >>>> Stewart Adam
>> >>>>
>> >>>> Creative Audio Works LLC
>> >>>> [log in to unmask]
>> >>>> 508-747-1858
>> >>>>
>> >>> --
>> >>> Richard L. Hess email: [log in to unmask]
>> >>> Aurora, Ontario, Canada 647 479 2800
>> >>> http://www.richardhess.com/tape/contact.htm
>> >>> Quality tape transfers -- even from hard-to-play tapes.
>> >>
>> > --
>> > Richard L. Hess email: [log in to unmask]
>> > Aurora, Ontario, Canada 647 479 2800
>> > http://www.richardhess.com/tape/contact.htm
>> > Quality tape transfers -- even from hard-to-play tapes.
>>
>
>
|