Cube-Tec sells an expensive proprietary system that uses special Otari top-loading cassette players that can accomplish this: http://www.cube-tec.com/news/highlights/news/317-otari-and-cube-tec-partners-for-audio-cassette-transfer-system
I have a nice Tascam 134 rack-mount 4-track cassette deck that can play back all four channels of a stereo cassette simultaneously, but unfortunately these are extremely rare and hard to find.
> On Mar 13, 2014, at 4:59 PM, Andrew Dapuzzo <[log in to unmask]> wrote:
> Does anyone know if the same possibility exists for cassettes?
> machines that "could reproduce 4 tracks at once, which would speed up the
> digitization project. You'll need to reverse the two backwards channels" in
> the DAW?
> When we duplicated prerecorded music cassettes we recorded them this way
> but I am unaware of a playback machine that could playback all four at
> once. I assume they don't exist but .....
> Andrew Dapuzzo
> Sony DADC
> On Thu, Mar 13, 2014 at 3:55 PM, Richard L. Hess
> <[log in to unmask]>wrote:
>> Hi, Lise,
>> Some of the Teac and Sony machines could reproduce 4 tracks at once, which
>> would speed up the digitization project. You'll need to reverse the two
>> backwards channels in your DAW software.
>> If you are willing to play back single channels and move connectors,
>> almost any 1/4-track recorder from "back in the day" could do this for you
>> as long as it has a 3.75 in/s speed.
>> For the Tandberg, you might contact Terrysrubberrollers.com -- he rebuilds
>> the part, but I don't think he fixes machines.
>> Of course, there are several of us who could do this for you--on much
>> better machines than the Tandberg, but I fear that the price is high.
>> On 2014-03-13 2:30 PM, Lise Menn wrote:
>>> Hello, I am a new member of this list and totally naive about how to use
>>> your collective knowledge so I hope you'll be patient with me and ask for
>>> additional information if you think you can help me.
>>> I have about 60 remaining hours of audiotapes made in the 1970's on a
>>> Tandberg Model 12 which can no longer be repaired (at least not here in
>>> Boulder CO), apparently because its rubber parts have degenerated.
>>> To save money when I was a student, I recorded the four tracks monaurally
>>> at 3 3/4 ips, so that I could get 4 hours of speech recording per reel. I
>>> started digitizing the tapes gradually a few years ago but when I was about
>>> 1/3 thru the job, the Tandberg stopped being repairable. The contents of
>>> the tapes are worth preserving for research in language development; I will
>>> donate the digitized versions to the CHILDES archive at Carnegie Mellon.
>>> Is there a similar working Tandberg someplace that I could visit for a
>>> week or so and use to complete this job? Is there some other 4-track
>>> machine that will permit monaural playback? Is there someone who knows how
>>> to machine new parts for my old tape deck? Any other ideas? Please help,
>>> and thank you.
>>> Lise Menn Home Office: 303-444-4274
>>> 1625 Mariposa Ave
>>> Boulder CO 80302
>>> home page: http://spot.colorado.edu/~menn/
>>> Professor Emerita of Linguistics
>>> Fellow, Institute of Cognitive Science
>>> University of Colorado
>>> Fellow, Linguistic Society of America
>>> -- Richard L. Hess email: [log in to unmask], Ontario, Canada 647
>> 479 2800 http://www.richardhess.com/tape/contact.htm Quality tape
>> transfers -- even from hard-to-play tapes.