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CMC dye
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RoseMill
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12. October 2004 @ 03:09 |
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CMC dye any good? Wanting to buy some to try. I heard different stories about them, anyone can comment?
ACARD DUPLICATOR 1-3 3xPIODATA 108DX
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devilhunt
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12. October 2004 @ 04:20 |
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RoseMill
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12. October 2004 @ 04:27 |
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Yes I've looked at that and I think the list is wrong.
Espcially the Piodata! Piodata is Official Pioneer product and not a fake! On the Piodata 108dx box it does say "designed and engineered by Pioneer"
So that list is completely wrong! Piodata comes in 3 different formats: CMC, Ritek and Leadata. depends where you buy it and also I have read that the 3 type of discs are all package differently.
So please help! Thanks anyway
ACARD DUPLICATOR 1-3 3xPIODATA 108DX
This message has been edited since posting. Last time this message was edited on 12. October 2004 @ 04:28
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AfterDawn Addict
6 product reviews
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12. October 2004 @ 09:27 |
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Every disc I have riped/burned made by cmc magnetics have been coasters. They would burn ok but when played back they were full of pixelations and freezings. I would stay away especially when you can buy proven quality media like ricohjpn for about the same or less money.
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Staff Member
2 product reviews
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12. October 2004 @ 17:15 |
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I wouldn't buy any media (CD-R or DVD+/-R) with CMC dye. They're pretty well known for making the lowest quality dye there is.
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DVD-Fans
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13. October 2004 @ 02:36 |
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My understanding is CMC specialize in OEM for some famous brand such as TDK, Imation and Pioneer (Piodata) etc. Like all the disc factory they will have B C grade which they sell off to other traders and get branded under different name. To be a smart consumer I advise you buy the branded ones such as the ones I indicated above which have their own quality control before accepting discs from CMC
AsRock KS8S AMD XP3000 Pioneer 108
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Staff Member
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13. October 2004 @ 04:12 |
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I've never heard of CMC making different grades of dye. Do you have any links for that information?
BTW, I don't believe every manufacturer has different grades of dye. AFAIK Taiyo Yuden discards any disc that doesn't meet their quality control standards.
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RoseMill
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13. October 2004 @ 04:40 |
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I think he/she is on about one certain company in the UK, already metioned in the Bad Media section. Anyways I will just buy a few packs of the CMC and see if they are ok. IF not I will chuck them back at the supplier like a frisbee!!!
ACARD DUPLICATOR 1-3 3xPIODATA 108DX
This message has been edited since posting. Last time this message was edited on 13. October 2004 @ 04:41
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SCS+
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13. October 2004 @ 04:48 |
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I have just used some CMC dye from PIODATA and they seem to be fine, I had some PIODATA 8x Ritek earlier and they were brilliant, but they have now changed the dye.
From what I know of CMC they are 100% pure Azo dye.
GO5 dye is ritek code (consist of Azo(Japan) dye and cyanine (Taiwan) dye).
So CMC dye must be ok if it is Japanese?
This message has been edited since posting. Last time this message was edited on 13. October 2004 @ 05:32
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DVD-Fans
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13. October 2004 @ 05:05 |
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CMC do not make different grade of Dye. What happen is some of the discs do not make it through quality control due to slight cosmetics or manufacturing faults are graded down and sold to other traders. These discs can be branded by different party but still retain the CMC code when using Alcohol to identify the manufacturer. This process applies to all discs factory including Ritek, TY etc. If these brand owners are honest, then they will not say these are Grade A, if however, they are not then they are passed as Grade A CMC.
Big brand name like Imation, TDK and Pioneer (Piodata) are ensured of Grade A beacuse not only CMC gurantee that, they also employ their own quality engineer to check.
AsRock KS8S AMD XP3000 Pioneer 108
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Staff Member
2 product reviews
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13. October 2004 @ 05:43 |
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Yes I understand that different grades aren't intentionally manufactured differently (I see that I said that earlier though - too tired). What I'm asking is if you have any evidence to backup your claim that there are good CMC discs. No matter what kind of quality control you have, crappy dye tends to break down faster than good dye. Quality control just ensures that the disc is manufactured well. If you make it with crap dye it's still a crap disc.
This message has been edited since posting. Last time this message was edited on 13. October 2004 @ 05:44
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bytor
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13. October 2004 @ 07:37 |
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I have already burned about 40 CMC dye discs (TDK and Memorex - plus) and no coasters. The test results in Nero CD/DVD Speed are very good (Avarage PI Errors about 1,50; Benq does not support PIF). In my opinion is a good quality media.
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13. October 2004 @ 07:47 |
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Getting good burns is primarily a reflection of the manufacturing quality (ie dye distribution). What I'm talking about is the quality of the dye being used. The only way to be sure about the dye is to test them occasionally to see if they're still readable. If you burn a bunch of discs with poor dye, some of them will most likely end up unreadable (in a few months or sometimes as much as a year or 2) due to the dye degrading. There's no way to test for that except to wait and try playing them.
This message has been edited since posting. Last time this message was edited on 13. October 2004 @ 07:48
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SCS+
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13. October 2004 @ 08:13 |
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Is it not better for a disc to have one dye than 2 mixed together??? It surely will last longer. Its like answering how long is a piece of string mate!
This message has been edited since posting. Last time this message was edited on 13. October 2004 @ 08:33
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DVD-Fans
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13. October 2004 @ 08:14 |
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Hmmm, interesting point.
But what you say is one of the factor of a dye. However, who is to say Ritek, TY dye last a long time?. In fact who is to say that any DVD dye on the market can last 50 years as generally being said.
I believe people like Momorex/TDK/Imation and Piodata are using CMC, I am sure they had rigourously tested these dye. These brand had their best interest to protect.
The issue of dye's lifetime expectancy is an interesting subject although I would say it will apply to all dye, not just CMC.
AsRock KS8S AMD XP3000 Pioneer 108
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sugardisc
Newbie
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13. October 2004 @ 08:16 |
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I just purchased 50pcs CMC(Piodata) they work well.
Amy
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13. October 2004 @ 08:42 |
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Quote:
Hmmm, interesting point.
But what you say is one of the factor of a dye. However, who is to say Ritek, TY dye last a long time?. In fact who is to say that any DVD dye on the market can last 50 years as generally being said.
I believe people like Momorex/TDK/Imation and Piodata are using CMC, I am sure they had rigourously tested these dye. These brand had their best interest to protect.
The issue of dye's lifetime expectancy is an interesting subject although I would say it will apply to all dye, not just CMC.
Personally I don't believe any DVD media will last 50 years, but that doesn't really matter to me because I don't expect to have a DVD player 50 years from now anyway. And you're right, it does apply to all manufacturers, but TY, Verbatim, and Ritek have all proved themselves in this area. Of course that doesn't mean we shouldn't keep evaluating them, especially when they release a new dye. To a certain extent the jury is still out on whether CMC dye can be expected to last as long as those brands because they haven't been making DVD media for as long and most of the reports of bad CMC media are for brands that use the cheapest media available, meaning they'll most likely end up with the discs that wouldn't pass quality control tests for a company like TDK.
Despite the relatively small amount of data on their DVD media, there's still useful information around. If you look at their history with CD-Rs you should get a good idea of what to expect. It certainly seems to hold true for the other brands I mentioned, all of which make high quality CD-Rs. In fact of those 3 brands, the only one that's known for poor quality media is Verbatim, and that's only the ones they sell that are made with CMC dye.
I personally would require a lot of proof before I'd believe that CMC makes any good DVDs. It doesn't fit with their history with CDs. Either way, I'm not going to worry about it much since TYs have come down in price so far that I'm probably going to start buying them instead of Riteks the next time I need discs. I just recommend that anyone who uses CMC discs test them regularly to make their own judgement. With the price of blanks being as low as it is now, there doesn't seem to be much point in buying CMC, but as long as people are, we might as well find out whatever we can. There's always another type of media on the horizon that won't be so cheap (for a while at least), and other companies (like Ritek) have been known to switch from making crap media to good media.
This message has been edited since posting. Last time this message was edited on 13. October 2004 @ 08:44
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DVD-Fans
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13. October 2004 @ 08:54 |
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Let hope the jury is not out too long as over whelming evidence to say the contrary.
I used TDK and Imation before recently changed to Piodata (Cheaper). I had no problem. It woorked on my old and new DVD players. And that is the fact.
So not sure what evidence we need to prove this unless you want my kids home video burned on a CMC disc
AsRock KS8S AMD XP3000 Pioneer 108
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Staff Member
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13. October 2004 @ 09:09 |
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It requires the same evidence as every other media - consistent quality over time. That's why TY, Ritek, and Verbatim have a good reputation, and that's what it will take for CMC to get the same rep.
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DVD-Fans
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13. October 2004 @ 09:18 |
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But you are conflicting yourself. You judged CMC because you said they made bad CD-R. But no one said they made bad DVD-R.
Not being rude on your judgement, but you cannot say a professional footballer is not very good at football because he cannot play Rugby.
CMC is one of the top 3 disc manufacturer in the world. They make majority of the household media brand name. If we all go by what you implying, then brand name like TDK, Imation Pioneer discs are no good.
Just because you think they made some lousy CD-R does not mean they make loust DVD-R. Isn's that a bit unfair comparison?
AsRock KS8S AMD XP3000 Pioneer 108
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bytor
Newbie
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13. October 2004 @ 09:20 |
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Though i had good results with CMC, it's not my first choice. I use mostly MCC (Verbatim). Those are almost perfect, but not so cheap.
I only use CMC for not so important backups. But i will test them regularly, as Vurbal said, to confirm if they are really a good media.
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Moderator
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13. October 2004 @ 09:25 |
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If anybody wants a good indicator of media quality then cruise back through a few pages of this forum.
There've been boatloads of people here that solved their problems by switching from CMC to Ritek/TY/Verbatim AZO but there hasn't been a single one that was helped by going the other way.
I've seen plenty of posts from folks who've had CMC discs go bad within a few months. I haven't seen a single one with that same complaint regarding Ritek/TY/Verbatim AZO.
Everyone's free to buy and use what they want but don't be surprised if the low quality media doesn't live up to the proven quality of Ritek/TY/Verbatim AZO. I'll be waiting here with a big fat "I told you so!" :)
My killer sig came courtesy of bb "El Jefe" mayo.
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DVD-Fans
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13. October 2004 @ 09:31 |
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Hmm... there are 3 people on this thread say CMC are OK. So where is the boatload?
AsRock KS8S AMD XP3000 Pioneer 108
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13. October 2004 @ 09:57 |
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But you are conflicting yourself. You judged CMC because you said they made bad CD-R. But no one said they made bad DVD-R.
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Hmm... there are 3 people on this thread say CMC are OK. So where is the boatload?
Lots of people have said they make bad DVD-Rs. They just haven't said it in this thread. Are you saying that 3 people is a representative sample?
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Not being rude on your judgement, but you cannot say a professional footballer is not very good at football because he cannot play Rugby.
That comparison doesn't hold any water. I'm not saying they can't make good dye, I'm saying they most likely don't. In the CD-R market they're known for a strategy of sacrificing quality for price. That's allowed them to sell huge numbers of discs. In the DVD market they appear to be doing the same thing. They're strategy is to be to sell quantity by having low prices. I see no reason to believe that their methods for keeping prices low would be any different than it has been in the past. I'm simply judging them on their own history of business practices.
Are you saying that if you knew a company made low quality VCRs and TVs you wouldn't assume they also make low quality DVD players? How about if a company was known for making crappy SDTVs - would you buy one of their HDTVs?
Quote:
CMC is one of the top 3 disc manufacturer in the world. They make majority of the household media brand name. If we all go by what you implying, then brand name like TDK, Imation Pioneer discs are no good.
They're only in the top 3 if you're rating them on quantity, not quality. McDonalds sells more burgers than any other company in the world. Does that mean they make anywhere near the best? Of course not.
Quote:
Just because you think they made some lousy CD-R does not mean they make loust DVD-R. Isn's that a bit unfair comparison?
They don't just make some low quality CD-Rs. Their entire business strategy for selling CD-Rs is to keep prices down by making a low quality product. How is it unfair to judge a company by its own business practices?
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Moderator
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13. October 2004 @ 10:13 |
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Hmm... there are 3 people on this thread say CMC are OK. So where is the boatload?
Are you stupid? I said to cruise through the FORUM not just this thread.
Try this link, it may help you out:
http://www.hop.com/
My killer sig came courtesy of bb "El Jefe" mayo.
The Forum Rules You Agreed To! http://forums.afterdawn.com/thread_view.cfm/2487
"And there we saw the giants, and we were in our own sight as grasshoppers, and so we were in their sight" - Numbers 13:33
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