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.
>