[Meelis]

So what's under the hood of your portable source gear?
Maybe some older player u used back in days and are not worried to open up.
 
Good way to compare components.

 
Specks of Philips PSA CD12


* 1-bit D/A Converter: PHILIPS SAA7324H Digital servo processor and Compact Disc decoder with integrated DAC CD10 II
* S/N Ratio (A weighted): greater than 80dB
* Frequency Response: 20Hz - 20kHz
* Sound is very natural
 
Full size

 
Full size

 
Full size

 
Full size

 
Full size

 
Full size

 
Full size

 
Full size

 
Full size

 
Full size