Physical degradation of CD's


Hello friends,

Please keep in mind that I am new to the digital world and I'm just curious about something....

I have just recently bought two Dac's.  As I've been trying to break them in, I've had a cd player spinning a cd 24/7 on repeat into the dac.

I'm wondering, does the cd laser constantly going over the same pits over and over again, somehow degrade the physical aspect of the cd layer that is being read by the laser?

I know that I wouldn't want to replay my precious vinyl over and over again, but in that case I'm physically dragging a diamond stylus through the record grooves.  

I have no idea if the laser does anything to the bits it's trying to read when kept on 24/7?

Thank you and best wishes to you all,

Don

no_regrets

Don’t forget that the easiest surface to damage is the label side. The pits are just under it! And most CDs are stamped, not laser burned!

Hard to see how the tiny currents in a DAC will help it burn-in. Speakers, cartridges and amplifiers possibly. I put an input power meter on my Krell class A amplifier after a rebuild, and the power consumption definitely rose over a few days, even though it was switched off when not in use.

Physical CD degradation does happen, but media should last 100 years+. If you are concerned, you can always rip into file then burn another copy. Or just play the file.

A Japanese 100V unit works just fine in the US.. I bought the CEC TL-5....talked to an electrician....said it would be fine...It's better than fine.

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