Hi Jairo,
Wow, that was some time ago when I owned the Iconics. I never got a chance to try a Almarro amp with those speakers but have heard a few 205's driving similar speakers including the Altec Model 19. I have also heard the 318 on many occasions and although it's a fabulous amp, might not be be the greatest match for a pair of Iconic's or Valencias I have owned. The 318 (particularly the "A" version) was and is better suited to speakers with sensitivity ratings in the upper 80's or low 90's. Even Allmarro has made claims to that effect. A fellow AK's and personal friend of mine ran a pair of Heathkit A101's with a 318 for some time. I thought they sounded very nice together but gain was very rapid. Both are nice amps but I think I would look to the 205 personally.