Hi guys!! thank you very much for this great forum!! i need some advice.. and i need some i'd like to upgrade my head+cabs.. but i've got some problem.. which cabs should i use with Ashdown ABM500? and with Ashdown ABM900? i need 2 cabs (Ashdown) but which is the right ohm to use all the power output of the head? ABM500 is 575w ..with ABM115 (8 ohm / 300 w) + ABM 410 (8 ohm / 650 w) which is the final power?.. .. the cabs run at 900w but the head is 575 w.. .. help me!! thak guys!!