Audio copies

Ok, I’m 'fused:

"If you want perfect audio 1:1 use Feurio! or ExactAudioCopy; Clone gives most acceptable results though, at a 4x-8x read with NO subs written onto a purpose audio CD-R; but you can always try audio subs at first "

Sooooo, if using CloneCD for audio 1:1 :

What WRITE speed is best then for CloneCD?
Does this mean that a “standard” CDR will not work?

  1. “max”
  2. No