@ Misternice, Wow!, You are the first gentleman I have talked to from New Zealand, what a beutiful country New Zealand is!,, How do you like Australia so far?, any trouble from the locals?, they do not like many americans,,, what kind of work do you do?,,, Each model in the Tara line up does take a different amout of burn-in time, your onyx is close to the zero gold, I put 400 hours on my the zero gold, I bought it used, I believe it is still improving with more playing time, I thought it was done at 400 hours, I was wrong, Its getting even better than before, surly 600 hours it will be complete, Are you useing Tara speaker cables?,, cheers mate.