i have a Behringer BXL900, 90 watt combo amp, yeh its a peice of crap

i was just thinking because i need a new amp

is it possible if i bought a Hartke bass head and use it with my Behringer?

if that does work would it be advised?

or should i just buy a brand new combo amp
Well if the ohms match up, I guess you could use the Behringer as a cab...

But yeah, buy a new amp.
would it make much of a difference?
because the behringer has the volume and the head has the tone
and then it will also save me the effort selling my amp