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Topic: ReAlignment of Sound Equipment
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Bob Brown
Expert Film Handler
Posts: 146
From: Grand Rapids, MI
Registered: Apr 2002
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posted 06-14-2002 11:28 PM
Hey Guys and Gals, I am working a proposal to change the way things are done in the booths in our circuit. I need some input on this subject. To me, one of the top things that needs to be in tip top shape in our sound gear. Having said that, how often does the equipment, i.e. sound heads, processors and light sources, need to be checked and/or EQ'D or aligned. One a month, bi-monthly every six months????? For the record, I currently am working at a 17-plex. We have 15 6-D DTS units. Two that only run SR/SR*D. For the processors I have 13 CP-65's and 4 CP-500's. For the SR*D readers we have two Dolby penthouse Cat.701's and one Dolby SR*D basement reader on our Vic 5. This is our THX house also. I also need to know, how much time it takes to do a "alginment" or a EQ on the equipment that I have listed. I know this request seems a bit strange but I am back in the booth having been gone since 1989, HAVE THINGS CHANGED! When I left in '89 all I had to worry about was SR. I did have my own dual trace scope and pink noise generator and the such and I checked all machines each month. I am trying to get myself back in the "know" on things. Looking forward to your input. I am also looking for a outlet to get trained on this stuff. If you know of any place that offers training, please pass it along. Thanks alot. PS> For the record, our circuit has over 100+ screens and two techs. Screens are scattered around the State.
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Manny Knowles
"What are these things and WHY are they BLUE???"
Posts: 4247
From: Bloomington, IN, USA
Registered: Feb 2002
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posted 06-15-2002 12:00 AM
What if things are being done properly at your place...how would you know....You might make a change for the worse, right? I wish I could tell you where to get trained...My techs trained me on-site.Did I say "trained"? I'm still in training! I'm learning stuff all the time. This website is a good place to start. I do A-Chains as needed or annually, whichever comes first. Currently I have to borrow equipment to do that so that's about as frequent as I can go and I haven't observed the A-chains to be unstable things. Dolby Tone is checked about once a month. B-Chains are checked every 6-months but only because I'm paranoid that people are making unauthorized tweaks to the systems. Sometimes more frequently if I happen to hear a movie that doesn't sound right. I don't have any THX houses...you'll need to be careful before making any changes to that stuff. You don't want to lose your certification. Which brings me to a question: If you have a THX house, your sound gear can't be all that bad. Why do you feel it needs attention just now? Are things going haywire?
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Manny Knowles
"What are these things and WHY are they BLUE???"
Posts: 4247
From: Bloomington, IN, USA
Registered: Feb 2002
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posted 06-16-2002 12:28 PM
And if you can afford it...Get your own test gear. I've been borrowing and it means I don't get to check stuff at the first sign of trouble. It also means I'm not using test gear that I would have chosen to suit my particular needs/preferences.Oscilloscopes and RTA's have been discussed in a couple of threads already -- very recently, too. Oh, and don't forget all the test films! I keep my test rolls in a Rubbermaid container in the booth cupboard and I carry small 15' loops of each film in a smaller container that I carry around all the time in a mini toolkit. Are you working one location or a network of cinemas?
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