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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » BACP DSTR 2000 led current adjustment (Page 2)

 
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Author Topic: BACP DSTR 2000 led current adjustment
Scott Norwood
Film God

Posts: 8146
From: Boston, MA. USA (1774.21 miles northeast of Dallas)
Registered: Jun 99


 - posted 10-15-2009 08:03 AM      Profile for Scott Norwood   Author's Homepage   Email Scott Norwood   Send New Private Message       Edit/Delete Post 
Michael--agreed, but some (most?) theatre owners are super-cheap, and it's hard to justify the expense of a quality sound system for a venue that runs film only a few times per year. (Heck, things would be worse if I weren't doing minor improvements for cheap/free. If it were up to me, I'd have the owner of the place use a legitimate service company, but he won't.)

Sam--thanks for the tip; I will check this out when I am there next.

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Louis Bornwasser
Film God

Posts: 4441
From: prospect ky usa
Registered: Mar 2005


 - posted 10-15-2009 10:42 AM      Profile for Louis Bornwasser   Author's Homepage   Email Louis Bornwasser   Send New Private Message       Edit/Delete Post 
Still plenty of MONO around. Thankfully, most are now recycled Kelmar units. Louis

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Tim Reed
Better Projection Pays

Posts: 5246
From: Northampton, PA
Registered: Sep 1999


 - posted 10-15-2009 12:03 PM      Profile for Tim Reed   Author's Homepage     Send New Private Message       Edit/Delete Post 
I have a lot of mono houses - in the NYC area at that. We have been replacing old Cinemeccanica C-55/PT's and Kelmars with Pyramid PA amps. At $160, they're cheap enough to buy several for emergency backups. They have a built-in preamp, XLR inputs, rack mounted, and either a 1 or 2 year factory warranty (don't remember which)... beats $1,000 for the Kelmar - and cheaper than repairing one. The only thing is you have to build a monitor for it.

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Scott Norwood
Film God

Posts: 8146
From: Boston, MA. USA (1774.21 miles northeast of Dallas)
Registered: Jun 99


 - posted 10-15-2009 01:16 PM      Profile for Scott Norwood   Author's Homepage   Email Scott Norwood   Send New Private Message       Edit/Delete Post 
Tim--do those have inputs for two projectors? If so, are you stuck with exciter-lamp (LED) changeovers, or is there an electronic changeover mechanism? What about non-sync switching?

I'm actually on good terms with the Kelmar units to the extent that they are reliable, fairly quiet, and sound quality is decent. I would prefer to have an electronic changeover circuit and a remote fader option, but those are pretty far down on my priority list.

But, still, this is 2009, and normal people can go in to Best Buy and walk out with pretty decent surround systems for their TV sets for relatively little money. Is it too much to ask that commercial theatres that don't exclusively show classic films at least upgrade to 1970s technology (Dolby Stereo)?

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 10-15-2009 04:26 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
quote: Tim Reed
We have been replacing old Cinemeccanica C-55/PT's and Kelmars with Pyramid PA amps. At $160, they're cheap enough to buy several for emergency backups.
Oh pleeze Tim... What you're doing doesn't make any sense!! Is that the sort of crap Strong Technical puts in? I tested one of those amplifiers out a number of years back at Gords suggestion. It's absolute crap. For the price of several of those which is what you said you buy you could buy a nice QSC and never have to worry about replacing it in your lifetime, Use the second channel to monitor with. Ciontinue to use use the QSC some day when the theater has to go stereo. Even a rebuilt/recycled Kelmar makes more sense, is better built and more reliable!

Mark

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Tim Reed
Better Projection Pays

Posts: 5246
From: Northampton, PA
Registered: Sep 1999


 - posted 10-15-2009 07:05 PM      Profile for Tim Reed   Author's Homepage     Send New Private Message       Edit/Delete Post 
quote: Scott Norwood
Tim--do those have inputs for two projectors?
Yes. There are 4 inputs. It's decent for the money and reliable.

Mark: [fu]

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 10-16-2009 11:27 AM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
Thats ok Tim,

You go right ahead and continue installing them [thumbsup] ! I've bench tested them and know how bad they actually are. You haven't had that luxury!

Mark

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Jeff Else
Expert Film Handler

Posts: 125
From: Detroit, MI, USA
Registered: Nov 2006


 - posted 10-16-2009 05:21 PM      Profile for Jeff Else   Email Jeff Else   Send New Private Message       Edit/Delete Post 
woops... rstr indeed... i wish they were dstr's! these were oreviously installed and running for about 5 years i think. i have tried adjusting the led position to no avail... looks like new led's will be needed.

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