So where do I begin? I say this because my file with my impressions was lost when my  Dell computer took a dump a while back. I have since transition to an 21.5 iMac so I am having to do a new write up of the Isabellina HPA ( http://www.redwineaudio.com/products/isabellina_hpa ) and the Signature 30.2 ( http://www.redwineaudio.com/products/signature_302 )   My first Isabellina HPA was purchased in the summer of 2009 right after they became available and I enjoyed its sound tremendously. So much that I sent it back to Vinnie to have it modded...