Experienced forum members please suggest stereo integrated amplifier to replace my yamaha as500. I want to replace my present amplifier for the reason being sound is little sterile, it lacks speed and excitement. It's ok for classical and slow music but not with the fast paced music. I already experimented with different speakers like jamo c405, mission m34i, Boston acoustic A26 and now using jbl stage series towers. And explain that is it necessary to spend lakhs of money to get good sound.