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Author Topic: Dolby CP500 RTA Pete Naples Phenomenal Film Handler Posts: 1565 From: Dunfermline, Scotland Registered: Feb 2001 posted 01-28-2007 04:16 PM                     Louis, yes, I and I believe our other engineers do that procedure. We are all using Abacus ARTA 80 analysers which have the facility to look at Sum and Difference of the two channels at the push of a button. The Cat 566 function is very handy too.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 01-29-2007 01:30 PM                        Alas; they are no longer made! Really great box! (Bought a spare which is still wrapped.) Louis  |  IP: Logged Richard Fowler Film God Posts: 2392 From: Ft. Lauderdale, FL, USA Registered: Jun 2001 posted 01-29-2007 06:28 PM                     The 80, my favorite box  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 01-29-2007 06:32 PM                     80 schmatey....the ARTA-600 was the real deal.  |  IP: Logged Ian Bailey Master Film Handler Posts: 317 From: Nambucca Heads, Australia Registered: Jun 2003 posted 01-30-2007 07:06 AM                     Hi guys I'm at the point with my business that i need to buy the equipment and learn how to do these sound adjustments. Our sites are all some distance from major cities and it is very costly to get equipment repair in a hurry.I'm doing 95% of our breakdown work but I am still getting all the projection equipment serviced regularly as I just don't have the time.The only part of the equipment service that I haven't bothered to get my head around is the sound alignment with the CRO and RTA. I've been a sound freak for years(hence the 1/2 deaf in one ear!)I understand the concepts in what you are doing i just need to buy the gear and put it into practise.I am an old electronics tech and the last time i used a CRO I had a school uniform on as I have had no need for one in my work but i can still remember how they work! What gear do you recommend that I get and where can I find all the information I need to be able to do this? Cheers Ian  |  IP: Logged Pete Naples Phenomenal Film Handler Posts: 1565 From: Dunfermline, Scotland Registered: Feb 2001 posted 01-30-2007 01:27 PM                     Too true! Mine got badly bashed about by airline baggage handlers last year, fortunately Mr Plunkett was able to revive the innards, and some superglue was able to revive the casing. You should have seen the state of the Peli case! God knows what they'd done to it, towed a 747 over it I suspect! Ian, as the Arta 80 is no more, I don't know what RTAs are available. I had a look at the Ivie website and the PDA based one looks interesting, especially as it can behave as a scope, although I suspect it's way not fast enough for looking at SR.D readers, probably suitable for checking cell alignment and the like. I've got a LG Goldstar CRA which goes everywhere in the car, cheap as chips and works superbly, howver it's a built bulky. If I'm flying I've got a PicoScope box which basically uses the laptop as a display, perfect for A chain, and just fast enough to checking SR.D reader video voltage and LED alignment, NOT suitable for aligning an SR.D reader from scratch, you can't see the 'grass' in the middle clearly enough. For that application you can't beat a good CRO. I carry the Arta80 as mentioned above, Cat85 pink noise card, eq extender card and my laptop. Sorted!  |  IP: Logged Paul Stevens Film Handler Posts: 42 From: Galena, Ohio, USA Registered: Oct 2006 posted 01-30-2007 09:55 PM                     Thanks to everyone for the posts on this subject. With your combined experience and my knack for finding things that need solutions, this group has been invaluable to me. I look forward to hearing more on the wireless digital interface. Paul Stevens  |  IP: Logged Ian Bailey Master Film Handler Posts: 317 From: Nambucca Heads, Australia Registered: Jun 2003 posted 01-31-2007 05:23 AM                     Thanks Pete-that sounds like the way to go for me. Cheers Ian  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 01-31-2007 07:02 AM                     Goldline makes a good rta and the D2 is an excellent unit as well older Ivies often show up on ebay [ 01-31-2007, 10:30 AM: Message edited by: Gordon McLeod ]  |  IP: Logged John Hawkinson Film God Posts: 2273 From: Cambridge, MA, USA Registered: Feb 2002 posted 01-31-2007 12:33 PM                     We have a Goldline 30M8RM that we are not entirely pleased with (UI is clunky, time averaging is awkward, etc.). Gordon, what do you like about Goldline? --jhawk  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 01-31-2007 02:01 PM                     The 30m8rm was a analogue rta that has not been made in a while I beleive it actually had analogue edge type VU meters when it first surfaced a long long time ago (I also believe if memory serves it is 2.5db per step on the led display) The DSP30 is a good stable unit and with the winsoftware will do most testing one needs at an affordable price  |  IP: Logged Michael Schaffer "Where is the Boardwalk Hotel?" Posts: 4143 From: Boston, MA Registered: Apr 2002 posted 01-31-2007 04:24 PM                        quote: Pete Naples Ian, as the Arta 80 is no more, I don't know what RTAs are available. I had a look at the Ivie website and the PDA based one looks interesting, especially as it can behave as a scope, although I suspect it's way not fast enough for looking at SR.D readers, probably suitable for checking cell alignment and the like. I suspect you suspect correctly. I actually never bothered to check what it's doing with SR*D because it is obvious that it's way too slow for that. But for everything else, it works miraculously well. I have had the IE-33 for over 3 years, and it served me extremely well in that time. I will probably get an IE-35 some time soon. The main difference between these two is that the former runs on an iPaq, and that wasn't such a great idea since those sometimes discharge completely, and then you have to reinstall everything. Not such a big deal, though, and they also have a cabinet file that you can store in the iPaq's non-volatile memory, so if it has run completely out of battery, you just hook it up to a power source and reinstall the program from that cab file. Still, a little annoying. Which is why they migrated the whole system to a Dell platform. But the RTA itself is great, small and handy, and it does a lot of extra things as well. The scope function also works great for analog A-chains.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 01-31-2007 07:59 PM                     Does anyone know what the bandwidth and residual noise is on the scope finction? I would say that Ivie has hit closer to the mark this time around. The Dell platform males ALOT more sense to me. Having owned Comnpaq pocket puters in the past I can honeltly say they are junk. Mark  |  IP: Logged Michael Schaffer "Where is the Boardwalk Hotel?" Posts: 4143 From: Boston, MA Registered: Apr 2002 posted 02-01-2007 04:45 AM                        Dunno, but I am sure Ivie can furnish you with that information. They are just around the corner from where you are. But I have compared it to a 60MHz scope, and it left nothing to be desired in direct comparisons for doing analog A-chains. At first, there was a phase error between the two channels, but they quickly corrected that. I haven't had a chance yet to compare the 33 and 35 models directly, so I don't know what added quality the new platform brings. I guess it will have more brainpower than the old iPaq platform, but I don't know yet how that influences the results you get with the unit. But the old one already worked really well after they ironed the kinks out. I actually just used it to restore an A-chain which had been totally knocked out of alignment.  |  IP: Logged Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 02-01-2007 05:08 PM                     The DSP-30 is a very nice unit.  |  IP: Logged

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