Some US dealers continue to list the DA-06 at $6,000, e.g. Music Direct, while others list it at $5,000, e.g. TTVJ. I was told about the price reduction by a Luxman dealer in Canada.
Tboooe, it seems like you are trying really hard to convince yourself that a step down transformer is not going to affect the sound, judging from the fact that you are asking for agreement rather than opinions.