Hey all, I will soon be purchasing a couple older Ampeg SVT18E 1x18" cabs for my biamp setup (the "EN" versions with the Speakon jacks). I noticed that these cabs are 4 ohm cabs. I am using Ampeg SVT410HE cabs on top for the high end/mids (currently running SVT15E 1x15"s on bottom). The 4x10"s are 8 ohm cabs, as are my 15"s, so they work fine together with my rig; however, since I'm replacing the 15"s for 18"s, the 18"s need to be 8 ohm cabs as well. Is there an easy way to convert the Ampeg 1x18" to an 8 ohm cab so that it plays nice with my biamping rig (I need to be able to run 4 cabs daisy-chained for a total load of 2 ohms, hence why I need to mod the cabs)? Is it as simple as swapping the stock 4 ohm 18" speaker for an 8 ohm one? Thanks!