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This mailing list is focused on 2″ Quadruplex Videotape:
Recorders, Recording, Playback, Maintenance, Equipment Design and Tape Preservation, and the Preservation of Knowledge about these subjects so that knowledge can be used by new people to preserve the content contained on Quad tapes.
Historical stories or personal recollections are welcome. Please put the word “Story” at the beginning of the subject line.
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Here are catalog sheets for 3M Scotch brand Helical Scan tape from 1970.
When playing Videotape Detective, these types of sheets are useful for cross-referencing the manufacturer’s label on the bottom of the reel with what type of VTR it may have been used on.
Scotch Helical Tape Sheet-MV21B-Aug-1970.
Shows Scotch 360 1″ and 2″ Helical Scan Tape.
1″ for Ampex VR-4000, 5000, 6000 and 7000 series, Sony EV 200 and 300 series, 2″ tape for Ampex VR-1500 Series, 660B, Sony PV 100 and 120 series.
Click here to view: Scotch Helical Tape Sheet-MV21B-Aug-1970-
Scotch Helical Tape Sheet-MV22-A-Aug-1970.
Shows Scotch 361 and 363 1/4″, 1/2″ and 1″ Helical Scan Tape.
1/4″ for Roberts VTR-1000 Series, 1/2″ for Sony, Panasonic, Concord, Norelco, Apeco, Shibaden, GE, Bell and Howell, Craig, Diamond Power, 1″ for IVC, Bell and Howell, RCA, GPL, Chester, Panasonic, Craig, Diamond Power and Shibaden.
Click here to view: Scotch Helical Tape Sheet-M-V-22A-Aug-1970
The Quad Videotape Group began as a purely social event at NAB 2008: An informal lunch of people who use, used, maintained, designed or collected Old VTR’s, Editors or Telecine equipment.
Due to several coincidences, the group was invited to help preserve for future use and access, the operating, maintenance, design and modification knowledge relating to Quad tape.
While the tapes sit on shelves getting older, so are the decks that exist to play them on, and the people who retain the know-how to get the best reproduction possible. As the people retire and pass from the scene, that knowledge goes with them.
This unexpected invitation came during comments (passionate plea, actually) of Stephen Nease, the Chief Technology Officer at the Library of Congress’ new National Audio Visual Conservation Center in Culpeper, VA. Nease heard about the lunch during a morning business breakfast and cancelled an appointment to attend.
Steve explained about the HUGE amount of Quad video content the LoC is sitting on, the equipment that’s available for the task and need for the experience and knowledge of people like in this group to be passed on to younger people so that the knowledge of how to recover the content is not lost.
(Take “this group” to mean both those at the lunch and others who have Quad operating, maintenance and design experience.)
He noted that other archives across the country are in similar situations: Lots of reels on the shelves, and little or no ability to migrate the content for access and preservation.
There are many more hours of tape to be transferred or re-mastered that the NAVCC won’t be able to handle all the work.
That means opportunities for experienced people with well maintained Quad decks to share the task of transfers, and to bring a new generation of Quad-trained videotape specialists into being.
LoC may have funding available for travel expenses for those interested in presenting at workshops hosted at the new Culpeper facility.
Attending the informal lunch:
|•Kenneth S. Weissman, Head, Motion Picture Conservation Center, Library of Congress, Dayton, OH and Culpeper, VASlipped away before we could get his picture!||•Bob Campbell, Colorist, Walnut Creek, CA, long-time telecine going back to Quad at locations including Optimus, Chicago, One Pass, San Francisco, Editel, SF, LA, etc.,
|•Ted Langdell, Ted Langdell Creative Broadcast Services, Marysville, CA, prod. co. owner, film, tape and non-linear editor, telecine and 1″ Type C machine, film and videotape content collector.
Member, AMIATaking these pictures, not appearing in them!