I have a mid eigthies GK RB400 head which I am running through a Accoustic Neo 115 cab. I don't really care for the sound that the Accoustic cab puts out. A local guitar store has a Peavy 1820 cab in great shape with a 18 inch black widow speaker. I had an 1820 back in the day with a Peavey Mar IV head and I loved the low end response from that combo, could be just nostalgia too. They also have a Peavey 212 bass cab which is 4 ohm. My question is would th GK head be able to power the 1820 properly? Does anyone with this kind of set up think this would sound ok? I know I can get a bagend or some other expensive cab that will sound better than the peavy but funds are tight and I'm just looking for a better more full sound than the 115 is giving me.