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CD-RW's Will Work In The DVP-S9000ES!

Posted by darqueknight (A) on March 24, 2007 at 17:02:04

A few Asylum members have reported that they had successfully been able to play "music" type CD-R's (as opposed to "data" type CD-R's) in a Sony DVP-S9000ES. Memorex Music CD-R's burned on my PC's CD burner did not work for me. Perhaps other people who have been successful in getting CD-R's to play on their DVP-S9000ES's used an audio grade CD burner drive or a stand-alone CD copying component.

I also stumbled across this bit of info on the Memorex website:

“Question: CD-R: My DVD player won’t play CD-Rs but it plays music recorded on a CD-RWs! How can that be?

Answer: Early versions of DVD players were limited to playing only DVDs, but often the circuits designed for the low reflectivity of DVDs were compatible with the low reflectivity of CD-RWs. CD-Rs have a much higher reflectivity than CD-RWs, which most likely explains why your DVD player can play CD-RWs but not CD-Rs.

Most newer models of DVD players follow a “multi-read” standard so that they can play all types of DVDs as well as CDs, CD-Rs, and CD-RWs.”

Interesting. I just happened to have a pack of Memorex CD-RW’s. I burned a copy of the Memorex music CD-R to CD-RW and it played in my DVP-S9000ES’s with no problems. The CD-RW also played in my home and vehicular CD players, with the exception of my 19 year old Yamaha CDX-1110U. The CD-RW made from the music CD-R did not have the better sound quality of the CD-R, but did sound identical to the original commercial CD. Burning a copy of the music CD-R to another Memorex music CD-R produced an identical copy with the same superior sound quality.

The CD-RW was burned on my PC using Roxio CD Creator 6 software at 4X speed.

While the music CD-R's did not work in the DVP-S9000ES, it was not a futile exercise because I found out that they sounded much better than the original commercial CD when played in my CD players.

For reference, the sonic improvements with the music CD-R's are similar to the improvements realized after:

1. Changing from SL2000 tweeters to RD0194 tweeters.
2. Modifying a CD player with a lower jitter master clock.
3. Going from CD to SACD.
4. The difference in sound quality between a regular LP pressing and a 180 gm or 200 gm audiophile LP pressing.

It goes against intuition that a copy of something could sound much better than the original, but it all made sense once I did a little research.

I went to Memorex’s website to look for information on how their music CD-R’s were made and how they were different from data CD-R’s. The only difference the website mentioned was the inclusion of special coding (Serial Copy Code) on the music CD-R that enables the recording of music on consumer CD recorders.

I sent an email to Memorex’s technical support department asking about the difference between their regular CD-R discs and music CD-R discs. They responded a few hours later with this reply:

“The playback quality in a CD depends on the dye used on the recording layer. It also makes the difference between data and music CDs. Our music CD-R discs use a special Pthalocyanine dye for better audio quality.”

Apparently, the better dye formulation results in better microscopic pit formation in the dye layer, which results in less read errors, which results in better sound quality.

Music CD-RW’s exist, but are not widely available due to lack of demand. Memorex discontinued manufacturing music CD-RW’s due to poor sales. None of the four local stores I called stocked music CD-RW’s of any brand. TDK brand music CD-RW’s can be ordered from the TDK website and at a lower price than I found at other online retailers. I am still waiting on them to arrive so that I can compare their sound quality to the Memorex data CD-RW’s. I’ll report back after I do the music CD-RW/ data CD-RW comparison.

This post is made possible by the generous support of people like you and our sponsors:

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