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Author
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Topic: Recording pix and sound separately - and back
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John Walsh
Film God
![](http://www.film-tech.com/ubbmembers/168.jpg)
Posts: 2490
From: Connecticut, USA, Earth, Milky Way
Registered: Oct 1999
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posted 05-04-2003 03:23 PM
First, some background.... We recently bought two large format Kinoton MK75's: projectors allowing us to run 4/35, 5/70 and 8/70 prints. Apparently, we have the only two in the US. These auditoriums have 70mm DTS readers, biphase generators and (for audio) DAT tape (and hard drive) recorders. We were glad to get them, because now we can run the standard large format educational stuff during the day (if I had to sit through 'Mysteries of Egypt' one more time, I'd barf) but then run regular product at night. Simply put, this allows us to make more money in those auditoriums. We'd like to book regular 70mm prints there for, say, a 70mm festival to get even more use.
The problem is, we do not have a 70mm mag head for these projectors. We could probably get them, but I know it would take a long time. I don't think one was actually designed for it yet, and they would be very expensive. There just aren't very many of them around. Even so, I probably couldn't justify the cost for the few times we'd use it.
So, I'm wondering if we could bring a 70mm mag print to one of our 'regular' 70mm auditoriums. Put the print together, put a biphase generator on the projector, run it and 'record' the mag tracks onto the DAT recorder (a DA98.) Then, bring the print to our LF auditorium and run the same print with the sound comming from the DAT. It would take some work, but still much cheaper than the cost of the two mag readers.
Could it work... even so, would it be bogus?
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John Walsh
Film God
![](http://www.film-tech.com/ubbmembers/168.jpg)
Posts: 2490
From: Connecticut, USA, Earth, Milky Way
Registered: Oct 1999
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posted 05-06-2003 08:38 PM
Hi there, Larry!
Yes, as you might have already guessed, I'm trying to do this on the cheap! But, what at first glance seemed like something that might work, as too many problems...
I could record it from the CP200 output to have a nr decoded, but it might be to noisy... the tape won't run long enough, although we do have a biphase on the projector and a Ketchum box to drive the DA98's.
Steve (and Steve's!) idea about adapting the mag from a DP75 is interesting, since we have four of them that I know will never run 70mm again.... Thanks to everyone!
Off topic, but..
I'd like to mention that BL&S / Kinoton America hosted an excellent seminar on Kinoton projectors, (with emphasis on the PK60) a while ago. I braved those crazy Boston roads and it was well worth it. It was very through and we actually took projectors apart, made adjustments, etc. Factory reps from Germany were there for questions and told things you needed to know, even if it was something like a design flaw or other factory error .... everyone had a great time. The reps kept apologizing for their bad english, but frankly they spoke better than some of the native Americans working at some of our theaters...
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