as a guitar maker who makes the PRS classic 24 said that the 22 fret guitar's PU is put when the "24' fret is ,and this makes the guitar sound bad.i will post the url and so you will see.... but who cares......just use the guitar you like
here is the translated article in simple chinese...... i am from the mainland...............the computer have no big5 type software..... http://www.luthierchina.com/article/Tutorial/2224/22vs24.htm