[QuadList] Scotch 400

Fri Aug 31 12:33:35 CDT 2012

Seeing the words Chroma 90 brings back memories of really good looking masters, and really bad looking playbacks after a very few passes. We used it for master commercial recording and then quickly did all the dubs on good old 3M. 

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Today's Topics: 

1. Scotch 400 (Shai Drori) 
2. Re: Scotch 400 (C. Park Seward) 
3. Re: Scotch 400 (C. Park Seward) 
4. Re: Scotch 400 (Don Norwood) 

---------------------------------------------------------------------- 

Message: 1 
Date: Thu, 30 Aug 2012 22:41:47 +0200 
From: Shai Drori <srdbx at netvision.net.il> 
To: quadlist at quadvideotapegroup.com 
Subject: [QuadList] Scotch 400 
Message-ID: <503FD00B.9090208 at netvision.net.il> 
Content-Type: text/plain; charset=ISO-8859-8-I; format=flowed 

Hi All 
I am digitizing an archive now that has among other media 28 reels of 
scotch 400. When I checked them visually for sap or SSS or other 
problems they actually looked fine. Could use a cleaning before playing 
but they actually looked good. Is that possible? I was always under the 
impression that all these are disasters. 
With this in mind I would like to know what you think about the follow 
work flow for preparing them for transfer. 
1. clean and vacuum off dust. 
2. remove flanges and clean them. 
3. remove foam from top flange, even if it's in good shape and clean 
flange from residue. 
4. screw flanges back into place. 
5. run tapes forward and back while cleaning tape surface from dirt and 
loose particles. 

In this batch there are also 3 tapes in bad condition with heavy deposit 
of fungus and mold on tape where the windows are. How should I go about 
getting these clean? 

And last, there are two memorex tapes, when labeled Chroma 90. What do 
we know about them? Any thing to look out for? 
Cheers 
Shai 

------------------------------ 

Message: 2 
Date: Thu, 30 Aug 2012 18:53:41 -0400 
From: "C. Park Seward" <park at videopark.com> 
To: Quad List <quadlist at quadvideotapegroup.com> 
Subject: Re: [QuadList] Scotch 400 
Message-ID: <35B75B45-1F69-431E-ADF9-2FE8EF00D9FD at videopark.com> 
Content-Type: text/plain; charset=us-ascii 

Best, 
Park 

Sent from my iPhone 
818-535-2747 cell 
(541) 476-6657 hm 
2" and 1" video transfers 

On Aug 30, 2012, at 4:41 PM, Shai Drori <srdbx at netvision.net.il> wrote: 

> 
> Hi All 
> I am digitizing an archive now that has among other media 28 reels of scotch 400. When I checked them visually for sap or SSS or other problems they actually looked fine. Could use a cleaning before playing but they actually looked good. Is that possible? I was always under the impression that all these are disasters. 
> With this in mind I would like to know what you think about the follow work flow for preparing them for transfer. 
> 1. clean and vacuum off dust. 
> 2. remove flanges and clean them. 
> 3. remove foam from top flange, even if it's in good shape and clean flange from residue. 
> 4. screw flanges back into place. 
> 5. run tapes forward and back while cleaning tape surface from dirt and loose particles. 
> 
> In this batch there are also 3 tapes in bad condition with heavy deposit of fungus and mold on tape where the windows are. How should I go about getting these clean? 
> 
> And last, there are two memorex tapes, when labeled Chroma 90. What do we know about them? Any thing to look out for? 
> Cheers 
> Shai 
> 
> ______________________________________________ 
> Please trim posts to relevant info when replying. 
> 
> Change subject to reflect thread direction. Thanks. 
> _______________________________________________ 
> 
> Send QuadList list posts to QuadList at quadvideotapegroup.com 
> Your subscribe, unsubscribe and digest options are here: 
> http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com 
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------------------------------ 

Message: 3 
Date: Thu, 30 Aug 2012 18:58:14 -0400 
From: "C. Park Seward" <park at videopark.com> 
To: Quad List <quadlist at quadvideotapegroup.com> 
Subject: Re: [QuadList] Scotch 400 
Message-ID: <D68538D7-D1C0-44DC-BFE1-9A658FA26AE9 at videopark.com> 
Content-Type: text/plain; charset=us-ascii 

Shai 

The 400 3M tapes I have in house are all sticky. But baking has saved them. 

Not all the foam was bad. The story is another company supplied the glue that was bad. I'm not sure I believe that. Selling glue to 3M? 

Best, 
Park 

Sent from my iPhone 
818-535-2747 cell 
(541) 476-6657 hm 
2" and 1" video transfers 

On Aug 30, 2012, at 4:41 PM, Shai Drori <srdbx at netvision.net.il> wrote: 

> 
> Hi All 
> I am digitizing an archive now that has among other media 28 reels of scotch 400. When I checked them visually for sap or SSS or other problems they actually looked fine. Could use a cleaning before playing but they actually looked good. Is that possible? I was always under the impression that all these are disasters. 
> With this in mind I would like to know what you think about the follow work flow for preparing them for transfer. 
> 1. clean and vacuum off dust. 
> 2. remove flanges and clean them. 
> 3. remove foam from top flange, even if it's in good shape and clean flange from residue. 
> 4. screw flanges back into place. 
> 5. run tapes forward and back while cleaning tape surface from dirt and loose particles. 
> 
> In this batch there are also 3 tapes in bad condition with heavy deposit of fungus and mold on tape where the windows are. How should I go about getting these clean? 
> 
> And last, there are two memorex tapes, when labeled Chroma 90. What do we know about them? Any thing to look out for? 
> Cheers 
> Shai 
> 
> ______________________________________________ 
> Please trim posts to relevant info when replying. 
> 
> Change subject to reflect thread direction. Thanks. 
> _______________________________________________ 
> 
> Send QuadList list posts to QuadList at quadvideotapegroup.com 
> Your subscribe, unsubscribe and digest options are here: 
> http://mail.quadvideotapegroup.com/mailman/listinfo/quadlist_quadvideotapegroup.com 
> 

------------------------------ 

Message: 4 
Date: Fri, 31 Aug 2012 09:24:13 -0400 
From: "Don Norwood" <dwnorwood at embarqmail.com> 
To: "Quad List" <quadlist at quadvideotapegroup.com> 
Subject: Re: [QuadList] Scotch 400 
Message-ID: <E207F4FFDF144E79AE84736122B6B279 at dcidell2v2> 
Content-Type: text/plain; format=flowed; charset="iso-8859-1"; 
reply-type=response 

Shai: 

I have had 400 tape that was just fine and played perfectly as is. I've 
also had the worst SSS problems with 400 than with any other tape. 
Generally, it seems to have some degree of SSS more often than not, but as 
Park points out, baking has always worked on 400. 

If you remove the foam from the flange, the reel is no longer dimensionally 
correct. You can replace the flange with a flat flange for the transfer 
process. 

For reels with fungus, I use a company that specializes in the removal of 
that sort of contamination. 

The Chroma 90 that I've seen has not exhibited any unusual problems. 

Don Norwood 
Digitrak Communications, Inc. 
www.digitrakcom.com 

------------------------------ 

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End of QuadList Digest, Vol 50, Issue 47 
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