CA9 iznenadi svakog ko ga napravi smatrajuci ga malim jednostavnim pojacalom, a radi se o CFA, DC Servo... topologiji poznatoj kao Mark Alexander Amp.
this tiny little amp was surprise me. airy treble and clean powerfull bass and the middle is too bright if bias below 80ma, so i set it to 100ma and it's warm enough now