I have two Carvin MB10 combo amps that use the same BX250 head in a combo format. I can't say enough about it. They have a good sound and have a lot of flexibility. I use one MB10 with an Eden 1x12 extension for more volume and the other MB10 is used for my son's electronic drums. It's all good.
Precision Bass Club #1070, Jazz Bass Club #1145, Rickenbacker Club #499, G&L Club #512
Gibson Club #268, Carvin Club #290
Short Scale Club #400, Fretless Club #860