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ARSCLIST  February 2021

ARSCLIST February 2021

Subject:

Re: Tapes for testing wet play technique

From:

Corey Bailey <[log in to unmask]>

Reply-To:

Association for Recorded Sound Discussion List <[log in to unmask]>

Date:

Thu, 25 Feb 2021 12:43:12 -0800

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (92 lines)

Hi Tim,

I decided that tape lubrication was the direction to follow about 30 
years ago. I was experimenting with lubricants about the same time as 
Marie O'Connell & I can say that wet playing a SSS tape with alcohol 
works. I didn't continue with the alcohol process because I was afraid 
of damage to the machine. Obviously, Marie was persistent & perfected 
the process. Her initial method of applying the alcohol, using an IV 
setup was very innovative. I tried both Isopropyl & Denatured alcohol & 
wasn't able to discern a difference & there doesn't seem to be an after 
effect over time as the tapes suffering from SSS were revisited about 20 
years later & had no evidence of ill effects. All of my experiments with 
tape lubrication produced results that are to be considered as 
anecdotal, although the scientific method was used.

I have written an article about the process: 
http://www.baileyzone.net/LUBRICATING%20POLYESTER%20AUDIO%20TAPE.htm

Be Safe,

CB

Corey Bailey Audio Engineering
www.baileyzone.net

On 2/25/2021 1:06 AM, Tim Gillett wrote:
> Thanks Corey, yes I've seen the windscreen blade sections and I think
> there might be a small tray as well to catch any drips but  I dont
> plan to go that far at the moment.
>
>   The aim is very short tape runs to assess the benefit of the
> lubrication film to reduce stick/slip against  spacing losses. Very
> hard to find  reports from people apart from Marie who have  tried
> it but I was just reading this article which does mention such a
> tradeoff :
> A how to for wet replay when digitising degraded audio tape for
> preservation. - DAMsmart [1]Their problem tapes were a batch of 3M 175
> tapes so I will see if I have any of those on hand.Cheers, Tim.
>
> ----- Original Message -----
> From: "Association for Recorded Sound Discussion List"
> <[log in to unmask]>
> To:<[log in to unmask]>
> Cc:
> Sent:Wed, 24 Feb 2021 22:39:12 -0800
> Subject:Re: [ARSCLIST] Tapes for testing wet play technique
>
>   Know that Marie's machines have been modified so that the alcohol
>   doesn't get into the electronics, bearings, etc.
>
>   My $0.02
>
>   ~CB
>
>   Corey Bailey Audio Engineering
>   www.baileyzone.net
>
>   On 2/24/2021 9:06 PM, Tim Gillett wrote:
>   > I've revisited playing around with Marie O'Connell's wet play
>   > technique but have come to a dead end as I need as a test sample an
>   > actual squealing tape which does not respond to normal baking.
> Marie
>   > mentioned PEM 469 of which I have many reels but the samples I've
>   > tried seem to play fine. I also have much 3M 177 but reports on
> that
>   > seem mixed. Perhaps that's related to the moderate Mediterranean
>   > climate here in Perth, Australia.  Richard Hess mentions 3M 175
> and
>   > some others but what would be the most common known bad cases? I
> may
>   > have some here in my collection but it would shorten the process if
> I
>   > could narrow my search down to certain tape types known to squeal
>   > regardless of baking.
>   >
>   > Thanks for any advice,
>   >
>   > Tim
>   >
>   > Perth, Western Australia
>   > -------------------------
>   > Email sent using Optus Webmail
>
> -------------------------
> Email sent using Optus Webmail
>
> Links:
> ------
> [1]
> https://www.damsmart.com.au/a-how-to-for-wet-replay-when-digitising-degraded-audio-tape-for-preservation/
>

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