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Corey, I can only imagine! We try to do the same with videotape formats. David > On Nov 19, 2021, at 2:49 PM, CBAUDIO <[log in to unmask]> wrote: > > I forgot to add: > > At WB, we could convert anything, recorded anywhere in real time (with hardware) or in software, after it was recorded. > > CB > Corey Bailey Audio Engineering > www.baileyzone.net > > ------ Original Message ------ > From: "David Crosthwait" <[log in to unmask]> > To: [log in to unmask] > Sent: 11/19/2021 2:34:23 PM > Subject: Re: [ARSCLIST] 220V/50Hz 1/4" Open Reel Audio Playback Decks > >> Dave, >> >> Have you given thought as to where you are going to get 50hz. power from? Here for line-lock 50hz. videotape machines, we have a 50hz. power source running at 220 volts. This is the only way to properly power certain machines that do not have a DC servo capstan and video drum (the capstan/drum is directly driven by the frequency of the AC mains). >> >> Best Regards, >> >> David Crosthwait >> DC Video >> Transferring NTSC, PAL & SECAM Two Inch Quad and Helical Source Tapes (and More)! >> >> [log in to unmask] <mailto:[log in to unmask]> >> www.dcvideo.com <http://www.dcvideo.com/> >> >> Follow DC Video on Facebook: https://www.facebook.com/dcvideo <https://www.facebook.com/dcvideo> >> Follow DC Video on YouTube: http://www.youtube.com/user/dcvideoonline <http://www.youtube.com/user/dcvideoonline> >> >> >> >>>>> The Smithsonian Center for Folklife and Cultural Heritage has an upcoming >>>>> archival audio preservation project in the country Georgia (Sakartvelo) and >>>>> is seeking recommendations for 1/4" open reel tape machines natively >>>>> operable on 220V/50Hz AC. In addition, we are seeking sources for a >>>>> refurbished machine suitable for preservation work meeting the following >>>>> specifications: >>>>> * Capable of handling fragile acetate-backed 1/4" open reel audio tape >>>>> * Has a minimum of three playback speeds: 3.75 ips, 7.5 ips, 15 ips >>>>> (38.1 cm/s, 19.05 cm/s, 9.525 cm/s) >>>>> * Has quarter-track stereo and half-track stereo (NAB or DIN) heads >>>>> * Operates on 220V/50Hz power without the use of step-up transformers; >>>>> switchable is okay >>>>> * Capable of handling reel sizes up to 10.5" (NAB or AEG DIN) >>>>> * Optional: switchable NAB/CCIR (IEC) EQ >>>>> If you have any information, questions, or potential sources for >>>>> professional machines meeting these requirements, feel free to direct >>>>> responses to me off-list at [log in to unmask] Thank you for your time! >>>>> Regards, >>>>> Dave >>>>> ------------- >>>>> Dave Walker >>>>> Audiovisual Archivist​ >>>>> Smithsonian Institution >>>>> Center for Folklife and Cultural Heritage >>>>> Ralph Rinzler Folklife Archives and Collections >>>>> office: (202) 633-0663 >>> >>> >>> Links: >>> ------ >>> [1] https://www.jrfmagnetics.com