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Memorex 48x 700/80 cdr's - 3/2/2003 9:00:01 PM   
browntown

 

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Hey folks im new at all of this so had a quick question. Best Buy had a sale today memorex 48x cdr's 100pack comes out to about 10 bucks US after all the rebates. Figured that was a pretty good deal. Before I open the packaging though i looked through some of the posts here, and I may have made a bad buy. Any opinion's on this media? I read that if they say made in japan they are good? Mine say made in taiwan. They are part# 3202 4581, is there anyway to identify the 'real' manufacturer without opening the package? If they are crap disc's id like to know while still in the packaging so I can return them and buy something better.

thanks
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RE: Memorex 48x 700/80 cdr's - 3/2/2003 11:15:31 PM   
Daemos

 

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The ones made in taiwan are either cmc or prodisc (From my knowledge) and they are very good quality discs (not the fake prodisc, the real ones)

the ones that are made in japan are the better ones...but they're still good.


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RE: Memorex 48x 700/80 cdr's - 3/3/2003 12:08:39 AM   
browntown

 

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well i figured screw it, the only way i was going to find out is to open em up. ran cdrid, and the ones I got are:

ATIP: 97m 32s 19f
Disc Manufacturer: Prodisc Technology Inc.
Reflective layer: Dye (Short strategy; e.g. Phthalocyanine)
Media type: CD-Recordable
Recording Speeds: min. unknown - max. unknown
nominal Capacity: 702.83MB (79m 59s 72f / LBA: 359847)


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RE: Memorex 48x 700/80 cdr's - 3/3/2003 6:14:12 PM   
johnnye

 

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I've never ever had a problem with Memorex 48x in the clear top/black bottom cd spindle. Burned 1000's of disks with them over the past year or two. Personally I like the quality of label they put on the disc, I've never had any of the paint peel up and sharpies work ok on them.


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Great Optical Media Guide ~>http://www.memorex.com/products/software/OMG.pdf

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RE: Memorex 48x 700/80 cdr's - 3/3/2003 10:31:52 PM   
Dolphinius_Rex


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don't use sharpies to mark your CD-Rs! they eat your CDs...sometimes really slowly, but they *will* corrupt your data over time. Use a water based soft tipped marker, all Sharpies are solvent based [}:)]


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RE: Memorex 48x 700/80 cdr's - 3/3/2003 10:54:46 PM   
browntown

 

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well as long as we're on the subject, ive read that the sharpie's are alcohol based and that the alcohol pretty much evaporates upon writing and wont hurt the cdr. but i suppose better safe than sorry qualifies here.

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RE: Memorex 48x 700/80 cdr's - 3/3/2003 11:44:17 PM   
Dolphinius_Rex


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Alcohol would NOT be a good thing to put on a CD-R, even if it does evaporate quickly. But no, I don't believe Sharpies are alcohol based.


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RE: Memorex 48x 700/80 cdr's - 3/3/2003 11:56:52 PM   
Dolphinius_Rex


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oops! my mistake, they ARE alcohol based...
here's the composition of a sharpie:
Dyes, n-propanol (71-23-8), n-butanol (71-36-3), diacetone alcohol (123-42-2)

hrm, *I* don't want that on *my* CD-Rs....


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RE: Memorex 48x 700/80 cdr's - 3/3/2003 11:57:09 PM   
browntown

 

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well out of curiosity i found the msds sheet for sharpies, theres a couple nasties in there, specifically propanol, butanol, and diacetone alcohol. the msds can be found here: [urlhttp://www.sanfordcorp.com/sanford/pdfs/Sharpie%20Fine.pdf[/url]

looks like it may be time to buy some staedtler lumocolors

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RE: Memorex 48x 700/80 cdr's - 3/4/2003 1:21:08 AM   
Dolphinius_Rex


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yup! that's what I was quoting


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RE: Memorex 48x 700/80 cdr's - 3/4/2003 1:39:43 AM   
browntown

 

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whoops i didnt see your post, looking at the times we posted within seconds of eachother, too funny

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RE: Memorex 48x 700/80 cdr's - 3/4/2003 3:02:32 AM   
Dolphinius_Rex


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LOL! well, it just means we are both looking for facts, and trying to keep our collections in good condition


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RE: Memorex 48x 700/80 cdr's - 3/4/2003 7:22:02 PM   
johnnye

 

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I've only had problems with silver/silver discs that have no label. Acetone is bad! Basically thats nail polish, but I guess in small amounts it doesnt hurt the Memorex paint, I dont think the alcohol is doing the damage.


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Great Optical Media Guide ~>http://www.memorex.com/products/software/OMG.pdf

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RE: Memorex 48x 700/80 cdr's - 3/4/2003 9:44:02 PM   
Dolphinius_Rex


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The memorex lable will slow it down, just like any other label, but it won't stop it.

Perhaps I should do some testing....I need a sharpie!


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RE: Memorex 48x 700/80 cdr's - 3/5/2003 3:01:09 AM   
johnnye

 

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Maybe I'll run some tests too, whats the best utility for that? The CDspeed tool from Nero says that my recorder may not report error correctly.

The one thing I've been doing, write the label before burning, so if you do mess up the dye layer, any inconsistencies might be written over.


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Great Optical Media Guide ~>http://www.memorex.com/products/software/OMG.pdf

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RE: Memorex 48x 700/80 cdr's - 3/5/2003 4:02:20 AM   
Dolphinius_Rex


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Well, I'm thinking for testing that I'll make an approx 1cm ring along the outside edge of the CD-R and the inside edge of the CD-R, and then do testing using CD Doctor. It should be easy to see any unusual errors given where the markings will be. Also I will test the disc before labelling it, so that I have a point of reference...but I still need a sharpie first!! LOL!

If your drive does not report C2 errors properly, then it is not likely that your testing will be that accurate


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