First hand experience here in baking massive 90 minute two-inch videotapes
(similar, but not identical tape stock). We baked for 24 hours at 120
degrees, left the tape in a low RH stack for a further 24 to achieve
equilibrium. Excellent results.
Steve Greene
Audiovisual Archivist
Office of Presidential Libraries
National Archives and Records Administration
(301) 837-1772
On Wed, Apr 8, 2015 at 9:22 AM, Steve Smolian <[log in to unmask]> wrote:
> I was working on an unrelated project at Columbia's engineering building
> and recall seeing Paul Simon sitting with an engineer in an editing booth,
> working on tapes. This was during the "Bridge Over Troubled Waters"
> period. I was told thy had been working on that tape for about a year so
> far. Given the amount of tape shuttling, it is possible that the final
> result was "born worn."
>
> Steve Smolian
>
> -----Original Message----- From: Tom Fine
> Sent: Wednesday, April 08, 2015 9:04 AM
> To: [log in to unmask]
>
> Subject: Re: [ARSCLIST] More tales of woe from the tape vaults
>
> According to what was posted on the Ampex List, a former Columbia engineer
> had made personal dubs of
> some of the S&G tapes, and Sony was very happy to borrow or buy those
> tapes to make recent
> remasters, because the original 2-tracks were indeed worn out.
>
> -- Tom Fine
>
> ----- Original Message ----- From: "Doug Pomeroy" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, April 08, 2015 8:53 AM
> Subject: Re: [ARSCLIST] More tales of woe from the tape vaults
>
>
> I remember seeing some of the Simon & Garfunkel master cutting
>> tapes at Columbia which were literally worn out from over use. The
>> tape seemed to have become very thin and the audio level diminished.
>>
>>
>> Doug Pomeroy
>> Audio Restoration and Mastering Services
>> 193 Baltic St
>> Brooklyn, NY 11201-6173
>> (718) 855-2650
>> [log in to unmask]
>>
>> Regarding Robin's posting, I don't think there's any blanket "wisdom"
>>> about old tapes getting
>>> "dulled out," but I have heard stories about older tapes that were used
>>> to cut a lot of LP masters
>>> get so they don't Dolby-track well and other things related to certain
>>> frequencies falling off more
>>> than others over time. I think it could be that the tapes passed over
>>> slightly magnetized transport
>>> parts or heads here and there, or were exposed to weak magnetic fields
>>> for long periods of time, or
>>> even lost enough oxide for it to be audible just because they were
>>> played so many times. After all,
>>> playback is not a frictionless exercise.
>>>
>>> -- Tom Fine
>>>
>>
>>
>>
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