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Do you play them slowly and copy them, changing pitch in the digital domain, 
or, after the slow pass, play them back at normal speed?

Steven Smolian

----- Original Message ----- 
From: "Marie O'Connell" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, December 16, 2009 4:14 AM
Subject: Re: [ARSCLIST] Tape Shed-Sticking & stripping


>I don't think Richard meant fast, infact, slow.....lllllllll.......yyyyyy 
>is
> very helpful.  We have modified 2 of our Studer B67 to be low friction
> machines and that has helped alot.  I can send pics when I get back to 
> work
> in the morning.  I rarely use the isopropyl drip machine now because of
> these 2 .  They do a grand job.
>
> Cheers
> Marie
>
> On Wed, Dec 16, 2009 at 8:17 PM, Shai Drori <[log in to unmask]> 
> wrote:
>
>> It's sad to hear Peter passed away. His knowledge was extensive and his
>> humor was in the best British tradition. I wonder if I have a picture of 
>> the
>> thing somewhere. BTW, I didn't think about playing squealing tapes fast,
>> that's a good idea, Thanks Richard. I'll try it next time a tape comes in
>> that does that. I didn't think about it before but I now realize that all
>> the tapes that squealed  were 3.75ips.
>> Shai
>>
>>
>> Mark Campbell wrote:
>>
>>> Please tell us more about the "grandfather clock" tape recovery machine.
>>>
>>> Mark
>>> -----Original Message-----
>>> From: Association for Recorded Sound Discussion List
>>> [mailto:[log in to unmask]] On Behalf Of Shai Drori
>>> Sent: Wednesday, 16 December 2009 8:12 AM
>>> To: [log in to unmask]
>>> Subject: Re: [ARSCLIST] Tape Shed-Sticking & stripping
>>>
>>> This reminds me of the "grandfather clock" thingamajig I saw at the
>>> British library. It is a large board with rollers that the tape goes
>>> through making a serpentine. The tape travels very slowly and can be
>>> heated or chilled as needed. They made this for some agfa tapes that
>>> stuck. I have never had a 3m 176 make trouble but this sounds like many
>>> 50's 60's tapes I transfered that were of American origin. One squealed
>>> so bad we had to soak it with silicone. I am wondering it there is a
>>> benefit to slow winding under a cold air blast, like an air conditioning
>>> duct pointing at the transport. My a/c/ has a setting for drying the
>>> air. Very cold air forced out and the rh drops very fast..
>>> Shai
>>>
>>> Richard L. Hess wrote:
>>>
>>>
>>>> Hi, Martin,
>>>>
>>>> This is very problematic, and I do NOT think baking is a good idea.
>>>>
>>>> There is a CHANCE that month-long cold soak in a desiccated atmosphere
>>>>
>>>>
>>>
>>>
>>>
>>>> (silica gel inside double freezer (or foil) Zip-Loc bags in the fridge
>>>>
>>>>
>>>
>>>
>>>
>>>> (not freezer)).
>>>>
>>>> It has worked for some 3M 176 that showed this symptom. It has also not
>>>> worked for other tapes. Jim Wheeler gave me this technique. I don't 
>>>> know his
>>>> source. I haven't used it much.
>>>>
>>>> The other thing to try is VERY slow unwinding - 1.88 in/s or slower.
>>>> Sometimes that alone helps.
>>>>
>>>> The tape in the photo was baked based on a consensus of the people at 
>>>> the
>>>> seminar (including the tape owner) because we didn't have time for
>>>>
>>>>
>>>
>>>
>>>
>>>> cold soak and we wanted to see what would work (or not).
>>>>
>>>> Since that article, I have had good results with 3M201 which had the 
>>>> same
>>>> problem and the 1.88 in/s wind-through solved it.
>>>>
>>>> Good luck!
>>>>
>>>> Cheers,
>>>>
>>>> Richard
>>>>
>>>> At 12:34 PM 2009-12-15, Martin Fisher wrote:
>>>>
>>>>
>>>>> Got a polyester/plastic non-backcoated reel in which the binder is
>>>>> stripping off onto the adjacent wind.  AKA "binder adhesion to back of 
>>>>> next
>>>>> layer" on Richard Hess' site.
>>>>>
>>>>> http://richardhess.com/notes/2006/05/26/binder-adhesion-to-back-of-ne
>>>>> xt-layer/
>>>>>
>>>>>
>>>>> Might baking be a solution for this?
>>>>>
>>>>> Martin
>>>>>
>>>>>
>>>> Richard L. Hess                   email: [log in to unmask]
>>>> Aurora, Ontario, Canada       (905) 713 6733     1-877-TAPE-FIX
>>>> Detailed contact information:
>>>> http://www.richardhess.com/tape/contact.htm
>>>> Quality tape transfers -- even from hard-to-play tapes.
>>>>
>>>>
>>>
>>>
>>>
>>