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cplusplus
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Post subject: Re: DADC USA Rot Plot Posted: 12 Sep 2020, 22:24 |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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Indeed. An interesting observation is the rot ratio on Baraka: World beyond Words (1992) [CLV7060]. It is low, and then immediately afterwards (disregarding LDVS-003046 since it is missing) follow Eraser, Multiplicity, and The Cable Guy. I do not have rot-free pressings of any of those three. Still, my DADC USA questions remain: Were DADC USA rot problems due to bad batches of aluminum, PMMA, or adhesive? Or just poor management and general carelessness? The baseline from ~2750 onwards seems elevated, but I can't see how either of the aforementioned situations could go on for years... Is there any relation of the last two digits of the mint markings (i.e. LDVS-003049-A-A 28) to rot free pressings? The last two digits might correlate to the stamper. Either way, if we could confirm rot based on the last two digits, that would be fantastic. If it turns out that lower numbers are rot free, the issue could have been during stamper creation if A01 is the first stamper that was created. If DADC (or any other manufacturer) wanted to ensure maximum quality on a large number of pressings, it was important to avoid using a single "mother" for all of the stampers.
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takeshi666
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Post subject: Re: DADC USA Rot Plot Posted: 13 Sep 2020, 07:54 |
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Joined: 01 Feb 2018, 02:41 Posts: 1996 Location: Finland Has thanked: 183 times Been thanked: 387 times
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cplusplus wrote: An interesting observation is the rot ratio on Baraka: World beyond Words (1992) [CLV7060]. It is low, and then immediately afterwards (disregarding LDVS-003046 since it is missing) follow Eraser, Multiplicity, and The Cable Guy. I do not have rot-free pressings of any of those three. Well I mean, consider the movies in question. All the other ones sound like something a lot of people would acquire in lots, and being major blockbusters, would've sold more copies back in the day as well. Meanwhile, Baraka is hardly your average blockbuster. Both of these would factor into ownership and thus the rot reports as well.
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cplusplus
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Post subject: Re: DADC USA Rot Plot Posted: 13 Sep 2020, 16:56 |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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takeshi666 wrote: cplusplus wrote: All the other ones sound like something a lot of people would acquire in lots, and being major blockbusters, would've sold more copies back in the day as well. Meanwhile, Baraka is hardly your average blockbuster. Both of these would factor into ownership and thus the rot reports as well. I agree. I took a look through some known rotters and came up with this: LDVS-002154-A-A3 Very Light LDVS-002154-B-B1 None LDVS-002881-A-A12 Very Light LDVS-002881-B-B1 Medium LDTX-002930-A-A72 None LDTX-002930-B-B130 None LDVS-002936-A-A26 Light LDVS-002936-B-B26 Medium LDVS-003048-A-A65 Medium LDVS-003048-B-B40 Medium LDVS-003049-A-A28 Medium LDVS-003049-B-B27 Medium LDAC-003522-A-A1 None LDAC-003522-B-B1 None LDAC-003523-A-A7 None LDAC-003575-A-A18 Medium If anyone has a rot-free pressing of Eraser (1996) [14202], could you post the mint marks?
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edwin240170
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Post subject: Re: DADC USA Rot Plot Posted: 14 Sep 2020, 11:15 |
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Joined: 19 May 2006, 20:41 Posts: 545 Location: Belgium Has thanked: 12 times Been thanked: 44 times
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cplusplus wrote: If anyone has a rot-free pressing of Eraser (1996) [14202], could you post the mint marks? I played my Eraser yesterday, I have several copies, but the only one which is 100% rot-free has the following mint marks : LDVS-003048-A-A118 LDVS-003048-B-B77
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cplusplus
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Post subject: Re: DADC USA Rot Plot Posted: 14 Sep 2020, 15:57 |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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edwin240170 wrote: I played my Eraser yesterday, I have several copies, but the only one which is 100% rot-free has the following mint marks :
LDVS-003048-A-A118 LDVS-003048-B-B77 With such high trailing numbers, it seems there is no linear rot risk for a particular release. It was probably along the lines of who was working that day, or even something like if the HVAC system happened to be blowing. Additionally, I don't think these numbers denote the stamper used, unless they were doing something like 1,000 pressings per stamper.
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sonicboom
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Post subject: Re: DADC USA Rot Plot Posted: 20 Oct 2020, 15:43 |
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Joined: 26 May 2014, 19:25 Posts: 236 Location: United States Has thanked: 65 times Been thanked: 92 times
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cplusplus wrote: I made this DADC USA rot plot from the mint markings that have been added to the database so far. This is awesome, thank you for going to all the trouble and digging through the data. I hate DADC US. Even non-rotters don't look as good other plants IMO. I would be interested to find out why. DADC Austria, however, makes a great product on par or better than other plants.
_________________ Kevin LD-S2|CLD-D704|CLD-D406|DVL-V888|LX-900U|Crystalio II|Yamaha APD-1|Sony XBR55X810C
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confederate
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Post subject: Re: DADC USA Rot Plot Posted: 20 Oct 2020, 18:46 |
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Joined: 23 Jun 2013, 02:37 Posts: 726 Location: Germany Has thanked: 116 times Been thanked: 60 times
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cplusplus wrote: I hate DADC US. Even non-rotters don't look as good other plants IMO. I would be interested to find out why.
Believe me I hate DADC USA, too, for many reasons however I know very good looking DADC discs, too. Boyz N The Hood Criterion Edition is an excellent looking disc as is Starship Troopers. I have a copy of Starship Troopers with little rot that looks crystal sharp and is almost on a par with a good looking DVD. Boyz N The Hood looks like a good non anamorphic DVD. The colours are excellent and resolution wise it looks impressive. They did a fantastic job with this release. In my view DADC USA is still better than PDO UK. I have seen many DADC USA manufactured discs that have no rot ( mostly earlier releases ) to little rot however I am unaware of a single PDO UK title that is entirely rot free. You can already consider yourself lucky if the sound is intact on a PDO manufactured disc.
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cplusplus
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Post subject: Re: DADC USA Rot Plot Posted: 20 Oct 2020, 23:34 |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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sonicboom wrote: This is awesome, thank you for going to all the trouble and digging through the data. Yep and main thanks go to Julien for making the list. confederate wrote: In my view DADC USA is still better than PDO UK. Indeed. If DADC USA was pressing discs in a non-cleanroom, then PDO UK was pressing discs in the parking lot.
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confederate
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Post subject: Re: DADC USA Rot Plot Posted: 21 Oct 2020, 13:17 |
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Joined: 23 Jun 2013, 02:37 Posts: 726 Location: Germany Has thanked: 116 times Been thanked: 60 times
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cplusplus wrote: Indeed. If DADC USA was pressing discs in a non-cleanroom, then PDO UK was pressing discs in the parking lot. Even their CDs were complete garbage. And I am unaware of any other plant in the world producing such faulty CDs. I can live with a few speckles here and there as long as the sound is fine but I have seen many PDO UK discs with distorted Audio.
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cplusplus
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Post subject: Re: DADC USA Rot Plot Posted: 21 Oct 2020, 15:32 |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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confederate wrote: I can live with a few speckles here and there as long as the sound is fine Same. Some of the DADC USA rot is very light.
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laserfanhld-gb
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Post subject: Re: DADC USA Rot Plot Posted: 21 Oct 2020, 18:45 |
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Joined: 28 Jun 2019, 18:26 Posts: 569 Location: UK Has thanked: 258 times Been thanked: 237 times
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confederate wrote: cplusplus wrote: Indeed. If DADC USA was pressing discs in a non-cleanroom, then PDO UK was pressing discs in the parking lot. Even their CDs were complete garbage. And I am unaware of any other plant in the world producing such faulty CDs. I can live with a few speckles here and there as long as the sound is fine but I have seen many PDO UK discs with distorted Audio. Makes me really proud to be British (NOT!) just like Brexit
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je280
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Post subject: Re: DADC USA Rot Plot Posted: 21 Oct 2020, 19:39 |
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edwin240170 wrote: cplusplus wrote: If anyone has a rot-free pressing of Eraser (1996) [14202], could you post the mint marks? I played my Eraser yesterday, I have several copies, but the only one which is 100% rot-free has the following mint marks : LDVS-003048-A-A118 LDVS-003048-B-B77 Very interesting point, those numbers are different from the ones listed on here. Given the number of mint-mark number variations on some releases it is a pity the rot reports do not list the actual mint-mark numbers of the bad ones. Perhaps a little late now but would it not help if the mint-mark numbers of rot affected discs was declared when reporting a rotted disc? It would not be much help with the PDO rot hell LDs but with other manufacturers it may help people on the hunt for rot free copies of some titles.
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cplusplus
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Post subject: Re: DADC USA Rot Plot Posted: 21 Oct 2020, 21:39 |
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Joined: 13 Aug 2018, 03:18 Posts: 1520 Has thanked: 449 times Been thanked: 588 times
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je280 wrote: Perhaps a little late now but would it not help if the mint-mark numbers of rot affected discs was declared when reporting a rotted disc? I think it would, but it is just a hypothesis that titles with the same mint markings will have the same level of rot (or none). From what I know about the manufacturing process, I think this is certainly plausible.
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sonicboom
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Post subject: Re: DADC USA Rot Plot Posted: 10 Nov 2020, 18:45 |
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confederate wrote: cplusplus wrote: I hate DADC US. Even non-rotters don't look as good other plants IMO. I would be interested to find out why.
Believe me I hate DADC USA, too, for many reasons however I know very good looking DADC discs, too. Boyz N The Hood Criterion Edition is an excellent looking disc as is Starship Troopers. I have a copy of Starship Troopers with little rot that looks crystal sharp and is almost on a par with a good looking DVD. Boyz N The Hood looks like a good non anamorphic DVD. The colours are excellent and resolution wise it looks impressive. They did a fantastic job with this release. You're right, I actually just watched Starship Troopers yesterday and was surprised at how good it looked considering its DADC. However, it is a LDAC press from 1997 so I'm assuming the master is for DVD and the LD benefits from an HD scan of the film. That said, if Pioneer USA pressed it the results would be superior IMO. I have Boyz N The Hood and will re-watch that also, good note!
_________________ Kevin LD-S2|CLD-D704|CLD-D406|DVL-V888|LX-900U|Crystalio II|Yamaha APD-1|Sony XBR55X810C
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