I currently own one of these. I run it with a Hartke HA3000. I am looking to upgrade to a different head. Something a little more beefier, not sure what direction I am going yet. In any case, I am looking to upgrade my speakers in this cab. I would like to go with a 15" neo and 10" neo and get this to a 4 ohm load. For those of you that are not familiar with this cab, it has a single 15, a singel 10 and a horn in the cab. I have not got into the cab itself yet. It is currently rated at 175 watts (I believe) and 8 ohm. So, I am looking for some suggestions and help on wiring cofiguration. Any help would be great.