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Mitsumi CR-4809TE vs. Lite-On LTR-24102B
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Posted by Robin
Posted on 22/02/02 18:45
Number of views 5367
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 CD-RW reading performance
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 Special CD-R disc tests
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Special CD R disc tests
 

Special CD-R disc tests:

For this test we used Mr.Platinum 90min discs (Manufactured by postech) and Infiniti Compax 99min discs (Manufactured by ritek).

For those of you interested, here is the ATIP information of the discs:

Mr.Platinum 90min 12X certified:

  • ATIP: 97m 27s 00f
  • Disc Manufacturer: Disc ID not allowed
  • Reflective layer: Dye (Disc ID not allowed; e.g. Cyanine, Azo etc.)
  • Media type: CD-Recordable
  • Recording Speeds: min. unknown - max. unknown
  • Nominal Capacity: 96.385MB (10m 59s 74f / LBA: 49349)
These are not identified as 80 minutes discs, which most 90/99 minutes discs are. We know the serial numbering system to postech, that's why we could say they are postech produced. The actual capacity is 90 min and 59 seconds according to our supplier.

Infiniti Compax 99min 32X certified:

  • ATIP: 96m 43s 37f
  • Disc Manufacturer: Unknown Disc Identification Code
  • Reflective layer: Dye (Short strategy; e.g. Phthalocyanine)
  • Media type: CD-Recordable
  • Recording Speeds: min. unknown - max. unknown
  • Nominal Capacity: 702.83MB (79m 59s 74f / LBA: 359849)
Again our knowledge about CD-R media helps us out; the serial numbering system shows that this is a ritek disc. These discs are identified as 80 minutes which is most common. According to the supplier the actual capacity is 98 minutes and 59 seconds.

First we used the Nero CD-Speed overburning test:


Both drives got this result, so in theory both drives should be perfectly able to write up to 99min.


A real life test:

For this test we used Nero to write. We made a normal data CD with 99 minutes and 9 seconds with data and wrote the same data to both drives at 24X.


As you could see the Mitsumi wrote the disc successfully, but it actually wrote the disc at 16X(the media we used was 32X certified).



The Lite-On also created the disc successfully, and it wrote the disc at 24X.


Reading the disc back:

For this test we used Nero CD-Speed. Testing methodology: First we read the discs back in the same drive as the disc was created in, and then swapped discs. We could say that the results were identical and not depending on what drive the disc was created in.



The reading curve for the Mitsumi, the drive was able to read the whole disc.



The reading curve for the Lite-On, the drive was able to read the whole disc, but it had more problems than the Mitsumi to read the disc.


We also tried to write 90 minutes CD-R discs and both drives created the discs successfully, the Mitsumi wrote at 16X and the Lite-On at 24X.

Here are the reading curves for 90 minutes CD-R disc:



The reading curve for the Mitsumi, no problems reading the disc back.



The Lite-On reading curve, it had no problems reading the disc.


Business card CD-R discs





Our test discs were Ritek manufactured.

Here is the ATIP of the discs:

  • ATIP: 97m 31s 07f
  • Disc Manufacturer: Ritek Co.
  • Reflective layer: Dye (Short strategy; e.g. Phthalocyanine)
  • Media type: CD-Recordable
  • Recording Speeds: min. unknown - max. unknown
  • Nominal Capacity: 52.441MB (06m 00s 00f / LBA: 26850)
Both drives had no problems with reading and writing to these discs.


Special CD-R discs summary:

Both drives perform very well with special CD-R discs, the Mitsumi did not want to write 32X certified 99min discs at more than 16X, and the Lite-On did have more problems reading the 99min disc. But all in all they both perform very well.
Copy protections
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Posted by cyco_onyx on Monday 25 February 2002 19:54

Excellent review! I personally own a mitsumi 4809, and although i do love lite-ons for their excellent EFM burning(i still have my lite-on 12x), the lite-ons in my opinion are not as solidly build as the mitsumi's. One thing i'd like to note is that significantly better burning times were noted when using NTI's cd software. NTI's clock stops right as the drive stops burning(avg of 3:50 burn time for 700 megs), while nero keeps counting all the way until the cd ejects. Maybe some day you can try using NTI's software in your testing. Btw, you guys have the best overall analysis of cd drives on the web... just my 2 cents....
Posted by alex1970 on Tuesday 26 February 2002 15:00
Just one question: why don't you try to read also BAD discs, I mean discs with scratch, dirt and so on... I bought two weeks ago a nice Samsung SW-224. It seams that every horrible disc that I have (audio, CDR and also CDRW) is read as never before! Much better than the burners I tried before: LG 16x, Teac 16x, Artec 24x.
THANK YOU AND CONGRATULATION FOR THIS SITE!
Posted by OC-Freak on Tuesday 26 February 2002 15:12
Hey, it's my first review.... ;)

I'll see if I could include scratched media tests in my next review, to bad I don't have much scratched discs....:4
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