Hi all ! i'm not familiar with the tube amps, there got 4 slots there, the default set only got two tubes, so anyone have experiences about changing tubes for this tube amp ? and what kind of tubes do i looking for.cheers

HI all, just recently decide to buy a new ATH headphone, i'm getting confused with these wooden beauties .. i just wandering if u guys can help me choosing within W1000X, W3000ANV and ESW10( but dont really think i could find these two ), i going to listen some jpop.  thank you :)