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This topic comprises 4 pages: 1 2 3 4
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Topic: Dolby Cat No's
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Stephen Furley
Film God

Posts: 3059
From: Coulsdon, Croydon, England
Registered: May 2002
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posted 03-28-2005 01:25 AM
quote: Steve Guttag The Cat. 222SR/A only sold in CP65s, when new, since a theatre owner could save money. As an upgrade, you are correct, a pair of Cat. 350s is the cheaper and better solution.
Steve, am I missing somethiing here? The cost diifference between the 222SR/A Vs. 2x 350 + 222A cards is only 40; not sure whether this list is in Pounds or Dollars, but it tends not to make much difference, the higher prices of most things here tend to make the fgures similar. Anyway, it's a very small amount. I can see that the 222SR/A would be more attractive price wise in a new processor than in an upgrade where a 222A was already available, but even in this case the difference is so small as to hardly be significant. Add to this the better sound quality with the Cat.350, and the possibility of being able to continue to run in stereo (A type) if a 350 fails until it can be repaired or replaced, and the 222SR/A does not look very attractive for a CP-65. Of course, if a Cat. 222 SR/A does fail in such a way as to be beyond repair, then the replacement cost will also be high, as would the cost of keeping a spare card in stock, much more so than a Cat. 350.
All this assumes that the difference in price of the cards was reflected in the price of new processors fitted wiith them. If Dolby fixed their prices in such a way that the 222SR/A option was much cheaper when purchased in a new processor then it would become more attractiive, but I can't see why they would want to do this. The 222SR/A is a very expensive card; if it had been much cheaper, say half the price that it is, then it could be an attractiive way for a cinema on a small budget to install SR, and I could see the point in it, but not at this price.
Am I correct in thinking that the 222SR/A is decode only? The 350 is encode/decode, albeit with encode disabled in the 'T' version. If this is the case, then surely it should have made the 222SR/A significantly cheaper; it just seems like a very overpriced card to me, even leaving out any difference in sound qualiity. I've only ever seen one, and only heard it through the monitor speaker in the box, so I can't really judge this. In what way does it sound different?
What is the Cat. No. 222B Two-channel IC based SR upgrade module?
The silk screening inside the front panel of the CP-65 says that the slots which normally hold the Cat. 350 cards can also take Cat. 300 for SR/A or Cat. 450 'A' type. I know about the Cat. 300 option for four channels of 'A' type for certain magnetic formats, but what is the 450 opton for? It would seem to give you four channels of 'A' type, but no SR. Given that SR already existed when the CP-65 was introduced, and quite rapidly became standard on new productons, it's diifficult to see why anybody would want this option.
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