Edo said:Based on a WHAT HI-FI review from 2010. many people bought Yamaha AS-500 amplifier, which is great by the way. I bought it also. After that I found a review of combo Yamaha AS-500 + CD S-300 in what hi-fi text magazine, where AS-500 got 5 star rating and CD-s300 got 4 star rating. Later there is review of CD S-700 which got only 3 star rating , despite being over 2 times expensive.