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This topic comprises 3 pages: 1 2 3
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Author
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Topic: Pro 35 Scratching
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Jack Ondracek
Film God

Posts: 2348
From: Port Orchard, WA, USA
Registered: Oct 2002
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posted 06-29-2009 05:55 AM
The Pro35 was a very conflicted machine AFAIC. It's quiet, built like a tank, relatively gentle on film, has a shutter that even a 7kW bulb can't burn through, and I like the oil-submersed mechanism concept. The accompanying sound head also works well, if you keep an eye on the shaft bearings.
However...
That framing coupler is its Achille's heel. I've never seen a Pro35 (even new) that didn't have more vertical jitter than any other projector I've ever used, regardless how often you turn the framer. If you're not sensitive to that, the machine is otherwise decent, but still obsolete. The jitter does drive me crazy, which puts it at the top of my "worst" list. I also don't care for it's mounting scheme... different than everything else out there.
I'd go with the other comments, regarding your scratching. I don't think the machine can do that if it's threaded correctly.
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Jack Ondracek
Film God

Posts: 2348
From: Port Orchard, WA, USA
Registered: Oct 2002
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posted 06-29-2009 08:32 PM
quote: James Westbrook I wondered then why Ballentyne didn't just ship them down here...
Don't know. Probably the system's best selling point was that it was pretty much a self-contained plug-n-play system. A two-projector setup came with automations that could be run as single-machine or 2-machine changeover. Amplifers were available in each base, one being active and the other sitting in the "slave" machine as a spare.
During construction, Ballantyne would send a raceway with all the auditorium and projector interconnects punched out on sockets. You mounted the raceway, connected power, speaker (they were mono), curtains and lights. When the machines arrived, they were put in place, plugged into the raceway, apertures cut & that was pretty much it. All of the systems I worked with came with Strong lamphouses, mounted and aligned. The 2kW supplies could be mounted in the base, if desired, though it made servicing a bit harder. We usually mounted them outside.
I worked in several single-screen houses that Moyer bought and multiplexed (ruined). Between them, I had original booths that were equipped with decades-old Brenkerts, E-7s XLs and Centurys. Right off the truck, not one of the brand new Ballantyne machines came close to the image stability of the projectors in the older booths, regardless of brand. To this day, I have never seen anyone get close to locking one of those machines down without frequently shovelling money at them.
The lack of hardened parts wasn't so much a problem, unless as Mark said, you jammed the machine. Internal parts tended to break and bend, under the right (wrong) conditions.
Otherwise, there was a lot to like. Too bad Ballantyne couldn't finish the job.
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