I apply it as it goes on slow wind for all of it. Oh yes, would love to do
the grand-daddie clock technique!
On Wed, Aug 21, 2013 at 5:32 PM, Richard L. Hess
<[log in to unmask]>wrote:
> Hi, Marie,
> Thanks for responding!
> So this is an isopropyl drip during unwinding to help loosen the
> inter-layer adhesion? Do you apply it just where the tape separates from
> the pack?
> I think I'd like to try Peter Copeland's "Grandfather Clock"
> approach--slightly modified.
> On 2013-08-20 11:58 PM, Marie O'Connell wrote:
>> I have found using isopropyl alcohol dripped on using a Q-stick
>> a pellon wipe and a re-modified low friction Studer B67 very useful in
>> getting the tape on to the take-up reel before even trying to get a signal
>> helpful. At least I know I will generally not end up with pull-outs.
>> it has freed up then I have had few problems after that. Patience is a
>> virtue in the first part!
>> It doesn't surprise me if this is another 'bad batch' that left the
>> all those years ago.
>> On Wed, Aug 21, 2013 at 2:31 AM, Richard L. Hess
>> <[log in to unmask]>**wrote:
>> Hello, Paul, Corey, and Jeff,
>>> Thanks for all your replies! I welcome any additional input!
>>> Paul, I believe she was using a ReVox PR99 for this particular playback,
>>> though there is also an A807 available.
>>> Corey, I agree that the Last Factory products as well as Marie's
>>> drip or my (and others') decamethylcyclopentasiloxane (D5) additional
>>> lubrication will all work for playback.
>>> This, however, differs from "simple" squealing with the tape rolling off
>>> under its own weight. In this case as the tape is unspooled, the weight
>>> the hanging tape is insufficient to immediately leave the pack, the
>>> underlying tape layer does hold onto the tape somewhat.
>>> Jeff, I agree that it does sound similar to Scotch 201 syndrome but what
>>> initially put me off from that is it is a brown oxide tape in a
>>> box (though we are not certain it is Soundcraft, obviously).
>>> What worries me most about this is that with normal tape pack stresses,
>>> this adhesion may be worse towards the hub and, at some point, as with
>>> may result in pull-outs. Scotch 201 for the casual reader is an early
>>> tape, the first in the Dynarange series of lower noise with higher
>>> It is a Standard Play (1200' on a 7-inch reel) tape with black mag coat,
>>> back coat and an ACETATE base film. 202 and 203 were on a polyester base
>>> film and were standard play and long play (1800'), respectively.
>>> I am still of a mind (as I wrote back in 2008 and before) that loss of
>>> lubricant has yet to be proven and that binder degradation (what I
>>> we should generically call "soft binder syndrome"--which can have many
>>> manifestations including SSS and probably this) has been shown to be a
>>> To return to this a bit, tapes that suffer what had commonly been called
>>> loss of lubricant (LoL) showed a typical full lubricant load under
>>> laboratory analysis. Other laboratory tests showed that the glass
>>> transition temperature of the coating had fallen to about 8°C which is
>>> playing the tape at 4°C alleviated the squeal problem. HOWEVER, at least
>>> concept of LoL has never been accompanied by the concept of the tape not
>>> rolling off cleanly under its own weight. The adhesion does speak to,
>>> some adhesive.
>>> Though we did not discuss smell, we revisited the possibility of external
>>> contamination several times. Within the first few minutes I asked, "what
>>> vintage of Coca Cola do you think fell on the tape?" She indicated there
>>> was no evidence of any damage in this regard.
>>> We did discuss the tape that Nathan Georgitis brought to one of my
>>> seminars a few years ago which I do not recall showing any significant
>>> signs of water damage, but had spent some time in an attic which
>>> had open windows for an extended period and it squealed and suffered
>>> pullouts--fortunately mostly on the unrecorded track--but other than the
>>> pullouts, I don't recall an overall adhesion layer-to-layer. However, his
>>> tape was, I believe, polyester Melody, which was Scotch's answer to
>>> Shamrock--an off-brand like Irish/Orr/Ampex's Shamrock which were rejects
>>> from the main brand's line of tape.
>>> So, there are two questions in my mind:
>>> (1) How to spool the tape off without risking damage from pull-outs.
>>> As noted in that 2006 blog post, cold dry storage for an extended period
>>> may help as well as very slow unwinding as pioneered at the British
>>> under the late Peter Copeland.
>>> (2) How to play the tape without squealing. These blog posts all discuss
>>> the problem and several solutions (pun intended)
>>> This is a comprehensive list of degrading tapes
>>> My tape degradation paper from 2008 is where the concept of cold playback
>>> is best developed
>>> I hope that helps and I hope to be actually getting my hands on this tape
>>> in the next month or so.
>>> On 2013-08-20 2:45 AM, Paul Stamler wrote:
>>> One possibly-relevant question: what machine are you using to play the
>>> On 2013-08-20 1:15 AM, Corey Bailey wrote:> As you know, I use Last
>>> As you know, I use Last Factory
>>>> lubricant and have had good results with both acetate backed tape and
>>>> magnetic film. I suspect that Marie O'Connels method would work as
>>>> well. One could apply the alcohol with an eye dropper instead of
>>>> Marie’s setup for a one-off transfer.
>>> On 2013-08-20 2:39 AM, Jeff Willens wrote:> Hi Richard,
>>> Do you know if there is any odd smell to the tape / tape box? Could
>>>> foreign substance other than water have come in contact with the tape or
>>>> Beyond that, it sounds to me like it's a loss of lubricant in the
>>>> acetate tape, and/or a variation of the "201 syndrome", since that's
>>>> what the symptoms most resemble. Does the pulling get worse the further
>>>> in you wind it?
>>> Richard L. Hess email: [log in to unmask] Aurora,
>>> Ontario, Canada 647 479 2800
>>> tape transfers -- even from hard-to-play tapes.
>> Richard L. Hess email: [log in to unmask], Ontario, Canada 647
> 479 2800 http://www.richardhess.com/**tape/contact.htm<http://www.richardhess.com/tape/contact.htm>Quality tape transfers -- even from hard-to-play tapes.