Dear Ben,

Check out BRANDSMART for convection ovens. A conventional oven is not
suitable for desiccation.

DDR

On Sun, Aug 19, 2012 at 4:03 PM, James Roth <[log in to unmask]> wrote:

> Thank you, everyone.
>
> Only, where do I get an oven that circulates air?
> Is that not a convection oven?
> I don't  know any regular kitchen over that circulates air.
> Maybe I've lived a sheltered life.  LOL.
>
> OY!!
>
> Ben
>
>
>
> -----Original Message-----
> From: Association for Recorded Sound Discussion List [mailto:
> [log in to unmask]] On Behalf Of Richard L. Hess
> Sent: Sunday, August 19, 2012 3:57 PM
> To: [log in to unmask]
> Subject: Re: [ARSCLIST] AMPEX 407 TAPE
>
> Hi, Ben/James,
>
> If you use 54 °C most plastic reels survive well. Get a set of
> convert-a-trays and use spacers to hold the 7-inch reels flat in the
> dehydrator.
>
> The claims at the end of the patent provide the gist of it.
>
> I was talking to some folks at a major repository with climate-controlled
> storage and they are still getting by with baking tapes for 8 hours or
> less. Many of us receiving tapes that had been stored "in the wild" vs. "in
> captivity" see baking times of 24 hours as common. It surprised the good
> folks at the archive when it came up in our discussion.
>
> In my opinion, one of the worst things you can do to a reel that should
> have been baked is unspool it prior to baking. This creates problems for
> reels that have acetate tapes inside a layer of need-to-be-baked tape and
> there is no good solution for it. Fortunately, you may be lucky unwinding
> the tape that needs baking as the acetate tape is closer to the centre of
> the reel and the outer wraps did not have the higher pressures that the
> inner wraps would.
>
> Cheers,
>
> Richard
>
> On 2012-08-19 2:24 PM, James Roth wrote:
> > Hello again,
> >
> > I have one more question about baking audio tape.
> > Should it be indirect heat and how far from the filament (heat source)
> should the tape be?
> > What about the plastic reels?  These are 7-inch reels holding Ampex 407
> tape.
> >
> > Maybe I should try baking an empty reel at 130 degrees Fahrenheit before
> I try to bake the tapes in the reels.
> >
> > Please comment ASAP.
> >
> > Thanks,
> > Ben Roth
> >
> > -----Original Message-----
> > From: Association for Recorded Sound Discussion List
> > [mailto:[log in to unmask]] On Behalf Of James Roth
> > Sent: Sunday, August 19, 2012 1:05 PM
> > To: [log in to unmask]
> > Subject: Re: [ARSCLIST] AMPEX 407 TAPE
> > Importance: High
> >
> > Dear Richard,
> >
> > Thank you for answering my email.
> >
> > No, I did not bake it.  I did not know about baking tape.
> > Please tell me in what I should bake it, at what temp and for how long?
> >
> > Also, what is "SSS"?
> >
> >
> > -----Original Message-----
> > From: Association for Recorded Sound Discussion List
> > [mailto:[log in to unmask]] On Behalf Of Richard L. Hess
> > Sent: Friday, August 17, 2012 5:41 PM
> > To: [log in to unmask]
> > Subject: Re: [ARSCLIST] AMPEX 407 TAPE
> >
> > Ben,
> >
> > Did you bake this tape prior to attempting playback?
> >
> > This is classic SSS where the mag coat pulls off.
> >
> > The reason it happens closer to the hub is there is more pressure there.
> >
> > Please folks, don't try and play known SSS tapes without baking.
> >
> > Regards,
> >
> > Richard
> >
> >
> > On 2012-08-17 5:08 PM, James Roth wrote:
> >> Greetings everyone.
> >>
> >> I'm having some trouble with peeling Ampex 407 tape.
> >> The magnetic coating on the inner 100 or so feet is peeling like crazy.
> >> When I play it, the static electricity causes the tape to cling to the
> layer just next to it (still on the reel).
> >> It's not crackling - just peeling.  The tape is from around 1977 and
> was kept in a fairly cool/dry place.
> >>
> >> Ben Roth
> >>
>
> --
> Richard L. Hess                   email: [log in to unmask]
> Aurora, Ontario, Canada           (905) 713 6733     1-877-TAPE-FIX
> http://www.richardhess.com/tape/contact.htm
> Quality tape transfers -- even from hard-to-play tapes.
>



-- 
Dennis D. Rooney
303 W. 66th Street, 9HE
New York, NY 10023
212.874.9626