"However, some people challenges the use of an external ABX box (usually by people unused to conduct DBT's) arguing that the use of a commuter like the ABX migh

"However, some people challenges the use of an external ABX box (usually by people unused to conduct DBT's) arguing that the use of a commuter like the ABX might modify or flatten the response of the systems, masking the differences they so easily claim to hear at home or at an audio store (or even at some shows). This challenge does not hold water, as we can see from the measurements conducted to the ABX we use ..." Yeah, people pushing blatant magical woo will, eventually, descend to questioning logic and coherent thought itself. I'll link again to Alan Parsons (recording engineer and recording artist whose records audiophiles are quite fond of): http://www.cepro.com/article/beatles_pink_floyd_engineer_alan_parsons_rips_audiophiles/ http://www.cepro.com/article/beatles_pink_floyd_engineer_ala... Fix the room first.