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Hi Jim I have posted it to the AAA message board under accessions and processing. Hopefully the upload of the picture worked! http://arsc-aaa.invisionzone.com/forums/index.php?showtopic=345 Cheers Marie On 2/12/09, Jim Sam <[log in to unmask]> wrote: > > I think _all_ of us would be interested in a picture of said tape/box, and > a discussion like this could be easily aided with visuals. However, a > listserv is not the best location for such a presentation. Perhaps such a > conversation could take place on the AAA message board, provided any future > asker has the time to take a picture and upload it to > flickr/photobucket/etc. > > > At 12:38 PM 2/11/2009, you wrote: > >> Hi Marie, >> >> If you measure the hub diameter and the thickness of the pack, I can >> compute the tape thickness. You'll need to measure as accurately as >> possible. I measure to the nearest 0.005" (0.3 mm) to get very good >> results (I use digital calipers). I'll assume that the tape is 500 M >> in length. If you have a really accurate thickness gauge, you can >> always measure a pack of 10 tape layers directly. The overall >> thickness will at least help eliminate a few candidate brands/models >> of tape. >> >> Could you tell us more about the tape, like color of the oxide? If >> you have handled the tape, does it "feel" like a 1-mil or 1.5-mil base? >> Presumably no back-coating? Color of the base tape? >> >> I'm wondering if AT-220 is "Ampex Tape" model 220. Maybe they >> purchased bulk tape from Ampex and spooled and packaged it in >> China. If you lurk on the Ampex Listserv, one of the Ampex old-timers >> might be able to tell you if they distributed bulk tape to China. >> >> Maybe the reel itself could provide a clue? Does the reel have any >> markings? Maybe there's a hint from the shape of the reel flange >> holes or hub diameter? Is it a slotted hub? >> >> Last but not least, maybe a post to this list for native Chinese >> readers might help you locate someone who can translate the characters >> if you have a scan of the box. >> >> Eric Jacobs >> >> The Audio Archive, Inc. >> tel: 408.221.2128 >> fax: 408.549.9867 >> mailto:[log in to unmask] >> http://www.TheAudioArchive.com <http://www.theaudioarchive.com/> >> Disc and Tape Audio Transfer Services and Preservation Consulting >> >> >> >> -----Original Message----- >> From: Association for Recorded Sound Discussion List >> [mailto:[log in to unmask]]On Behalf Of Marie O'Connell >> Sent: Wednesday, February 11, 2009 10:23 AM >> To: [log in to unmask] >> Subject: Re: [ARSCLIST] Magnetic tape brand >> >> >> Hi Jeff >> >> It is 1/4" inch, polyester, and actually looks as if it has never been >> used >> as it is only a pancake still in its plastic bag inside the pale blue box. >> The tape measures 9 inches in diameter. I don't think it is that new, I >> would say it is possibly 20 odd years old. It has 7 chinese symbols above >> the AT-220 with the 500 M written under that. Also written on the box is >> Stereo Magnetic Tape (in English) and Made in China (in English). There >> is >> a doodle of a baby's face on the back of the box done in biro!! If there >> is >> no audio on it then the doodle, if drawn by the donor, could be the most >> important part! >> >> I know nothing about the chinese language and just jumped in with a >> totally >> uneducated guess, EMITAPE, only due to the 7 symbols '-) >> On Thu, Feb 12, 2009 at 4:42 AM, Jeff Willens <[log in to unmask]> >> wrote: >> >> > Marie, >> > >> > Anything else you can tell us about the tape? Acetate/Polyester? Is it a >> > fairly new reel? >> > >> > -Jeff Willens >> > Audio Restoration Engineer >> > VidiPax >> > [log in to unmask] >> > >> > >> > >> > >> > -----Original Message----- >> > From: Marie O'Connell [mailto:[log in to unmask]] >> > Sent: Tuesday, February 10, 2009 7:55 PM >> > Subject: Magnetic tape brand >> > >> > >> > I was hoping to get some advice regarding a tape I am presently >> > accessioning. It is made in China, is a pancake only which measures 9 >> > inches across, and on the box it says - Stereo Magnetic Tape, AT-220 500 >> M. >> > Unfortunately the brand name itself is in Chinese, I presume. Any >> ideas? >> > I >> > tried googling AT-220 but no luck. >> > >> > Cheers >> > Marie >> > >> >