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Author Topic: What to carry in the tool case when doing sound checks and setups.. Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 08-11-2004 07:44 PM                     Dos rules there fore you are cool  |  IP: Logged Zach McQuaid Film Handler Posts: 37 From: Erie, Pennsylvania, USA Registered: Sep 2000 posted 08-11-2004 07:47 PM                     Yeahhhh!  |  IP: Logged Daryl C. W. O'Shea Film God Posts: 3977 From: Midland Ontario Canada (where Panavision & IMAX lenses come from) Registered: Jun 2002 posted 08-12-2004 01:43 AM                        Kickass!  |  IP: Logged Luciano Brigite Master Film Handler Posts: 277 From: Sao Paulo, SP, Brazil Registered: Jan 2002 posted 08-16-2004 10:45 PM                     I took the day to hunt for RTA's,didn't look for a specific model,although asked around for the Ivie.. I got the " what the f.... is it" look from all the people I asked about on several places. Only one seemed to remember the name and from what he told me, it was the older Ivie RTA..but none of the places had it. What i'd find was an AudioControl,but was freaking expensive and in 5 places I went,was pointed to me as an alternative a Behringer(?) unit that is an equalizer, feedback killer ,RTA and some other things, all in one equipment, it's price isn't the best for me yet,but is the more acessible unit I found until now.Since one of the places I went is where I buy and send theatre owners to by their speakers, they'd sell me a combo ( unit, mic and mic extension cable) for the price of the unit alone.( it doesn't come with the mic or extension cable) Does anyone knows of this unit, has seen one in operation,etc and can tell anything about it? I know it's a unit intended for PA systems but maybe it'd do the job for equalizing theatres... my guess tho.. and why in the hell no one wants to sell me the damm test films !? wasted my time trying to get them from a theatre supplier from here who advertise having them for sale in his damm site but tells me that has them but is for their use and won't sell me even a half feet... bah he can stuff it all up there.. that's a palce I won't come back again,even if it's the last place on earth that'll have whathever I may need in the future  |  IP: Logged Daryl C. W. O'Shea Film God Posts: 3977 From: Midland Ontario Canada (where Panavision & IMAX lenses come from) Registered: Jun 2002 posted 08-16-2004 11:22 PM                        The Behringer unit you speak of kicks much ass, but it won't work for what you want to do. Not very well anyway.  |  IP: Logged Luciano Brigite Master Film Handler Posts: 277 From: Sao Paulo, SP, Brazil Registered: Jan 2002 posted 08-16-2004 11:27 PM                     Umm.. That's what I'm thinking.. it's main use is in PA-like systems not theatres. I'll keep looking for a real rta around here for a while. Anyway.. any other's opinions about that unit?  |  IP: Logged Michael Schaffer "Where is the Boardwalk Hotel?" Posts: 4143 From: Boston, MA Registered: Apr 2002 posted 08-17-2004 02:12 AM                        I will talk on the phone tomorrow with the dealer in Mexico who does our locations there. Sure, Mexico isn't Brazil, but maybe he can tell me who you can buy the films from in your area. Don't waste your time looking in shops for pro stuff like an RTA. Did it never occur to you to look on the internet? Ivie don't seem to have a distributor in South America, but how about just emailing them and asking if you could mail order the handheld miracle?  |  IP: Logged Luciano Brigite Master Film Handler Posts: 277 From: Sao Paulo, SP, Brazil Registered: Jan 2002 posted 08-17-2004 10:03 PM                     Michael,asking your dealer if he knows somewhere down here I'd find those films will certainly end on the same place I went before and was told they doesn't sell it then was asked,rudely ,to leave the shop. I'll buy from an international dealer when I find one that has it and anything else I may need in the future, but not anymore from that dealer. As for the RTA stuff, today I found something that seems to be what I want, a Phonic Personal Audio Assistant ( model is PAA2 if I recall it right) it looks in part like the Ivie but doesn't have all the other stuff from the handheld comp. the only thing I didn't really like is that the mic can't be taken off and then placed in the auditorium, by now it's the one that fits better into the price range I can afford. I'll go back to the place I saw it and ask for a demonstration of it.  |  IP: Logged David Buckley Jedi Master Film Handler Posts: 525 From: Oxford, N. Canterbury, New Zealand Registered: Aug 2004 posted 08-18-2004 02:37 AM                        The lowest cost trustworthy (as in has a track record I know about) RTA I know of is the Rane RA27, which is sadly discontinued, but has been replaced by the RA30. These are 1u rack mount. As mentioned earlier, the Behringer DEQ2496 features a RTA mode. It can be just an RTA, and not use any of the other facilities. However, it doesnt come with the mic, you need to buy it separately. I have no personal experience with this particular device. Being a newbie I may have lost something, but as I understand it, you use a RTA to do two things - the first is to adjust the sound reader's optics to as near a flat frequency response as possible. The second is to eq the house, using the equalisers installed in the processor. The first requires the RTA to be connected to a test point in the processor (or somewhere convenient early in the a-chain), and the second requires a mic in the auditorium. Both the Behringer and the Rane have an input selector switch, so the line input can be connected permanently to the processor test points, and the measuring microphone into the mic socket, and the analyser just left set up in the rack. It can also measure SPL from the mic, so the 85db set is a breeze too. Both devices are under $500, in this application I'd take the Rane, as there are less buttons to press and the mic is included.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 08-18-2004 08:27 AM                     "but how about just emailing them and asking if you could mail order the handheld miracle?" _________________________________________________________________ Hardly a miracle at all. But you can order it directly from Ivie if there is no distributer in your area..... If you would even want the thing..... I deal with them directly for calibration and such on my PC-40 which is my backup analyzer. The D-2 is less expensive and will give you more consistant results anyway. My first analyzer was an old H-P/Altec Lansing CRT display unit that Steve K. still has, but its only good for display in the Smithsonian any longer. I also have a Hewlett Packard 3580A CRT audio spectrum analyzer that I use on the bench but mainly just for looking at the level of distortion harmonics of amplifiers that I build. Although it can also be used for regular audio work the dynamic range is a bit more limited than a conventional 1/3 octave analyzer of today. My second was a used Klark Teknik unit which I bought used from a local rental house and it turned out to be very good but heavy to haul around. Then I went to the Ivie PC-40 which I bought directly from Ivie, about two weeks after buying the Ivie I bought the R-2 after seeing and hearing how well it worked on the first THX system I installed. I knew then that I shold not have bought the Ivie, just the R-2 but I kept the Ivie for backup anyway. I've been using the R-2 as my main analyzer ever since. I have hundreds of files saved from all the cinemas that have been done with this R-2 and its nice to be able to go back and refer to them when need be. Mark @ CLACO  |  IP: Logged Michael Schaffer "Where is the Boardwalk Hotel?" Posts: 4143 From: Boston, MA Registered: Apr 2002 posted 08-18-2004 09:29 PM                        Don't let yourself be confused by Mark. We are not talking about the PC-40 but the IE-33. If you can afford the $1500, it is all you need for your current activities. A multiplexer would be nice too, but in reality, for the kind of equipment you are mostly working on, it won't make a difference.  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 08-18-2004 09:44 PM                     If memory serves the 1 rack unit rane is only a window of one or two db on either side of the flat line so would not be great for doing a X curve The best lowcost is the Goldline DSP30 right now  |  IP: Logged David Buckley Jedi Master Film Handler Posts: 525 From: Oxford, N. Canterbury, New Zealand Registered: Aug 2004 posted 08-18-2004 10:43 PM                        Not famililiar with the term "x curve", what should I be reading up on? Edit: I am now, ISO 2969:1987 Cinematography -- B-chain electro-acoustic reponse of motion-picture control rooms and indoor theatres. It says B chain - tell me that you dont really "flatten" the room dropping 3db/octave over 2KHz. [ 08-19-2004, 04:35 AM: Message edited by: David Buckley ]  |  IP: Logged Luciano Brigite Master Film Handler Posts: 277 From: Sao Paulo, SP, Brazil Registered: Jan 2002 posted 08-19-2004 12:39 AM                     This is the analizer I'm thinking about buying.. Phonic PAA 2 it sells for about $600.00 where I live ,a little less depending on the store, and is in the same price range as the behringer 2496 ( with a mic included)  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 08-19-2004 09:52 AM                     David said"It says B chain - tell me that you dont really "flatten" the room dropping 3db/octave over 2KHz." That is the ISO standard based on the fact that in large rooms the precived response compared to the actual electroaccoustical response follows that curve. There are a lot of other factors involved. I would recomend that you do a fair bit of reading in the manual's section especially the older Dolby Processors  |  IP: Logged

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