lets go ahead and get out of the way: the cab is really too small. the cab is poorly braced, and was built cheaply. picking drivers is a crapshoot. design the box for the driver, not the other way around. one of my favorite amps is my bassman 100. it is loud enough for rehearsal, but gets lost on most stages, no matter what cab ive tried. but i *love* to record with it. at this point, i will never sell it, so 100% original isnt a big deal. but it only seems right that the head should live on the original cab, no matter how bad our calculations say it will suck. it is approx 5.3 cubic feet, and has a shelf type brace separating the box into halves (there is a 3" or so gap on either side for airflow. still with me? here is some background, and it is probably important to note that i have never actually bought speakers for this cab--- these were already available to me for whatever reason... i blew the original CTS speakers in the early 90's, and therefore i can barely remember what they sounded like. i remember thinking they sort of sucked, actually, but i was younger then....... next, i loaded with peavey scorpion, and that was ok. loud and sounded pretty aggressive, but in that cab had a weird low end bump that i never got used to. i had a pair of alnico EV SRO's that sounded great in the cab. financial hardship and inherent value of them forced me to sell. big mistake, i guess. few years back, i loaded a pair of black widow 1502. ok, but those speakers really need a vented cab. they sounded kind of choked, even. then, i came across a free pair of 90's era OEM eminence (probably fender, but no real indicators of that). they are there today, but just arent the ones. sensitivity is apparently fairly low. lots of low-mid content, and surprisingly deep extension. unfortunately, with the bassman that equals *mud*. still not even close to loud enough to play with a rock band on stage (without major PA support). while we do play places that are big enough to bring that much PA gear in, sometimes we dont, and i am required to carry the room/patio/gazebo, etc. i do have other, bigger amps, but i want to use this one. SO... i am looking for a very efficient driver suited for loading in a smallish sealed enclosure. low end response isnt so important, as the voicing of the bassman has butt piles of low end (i usually keep the bass control between 0 & 3). hopefully not with a huge low-mid hump. volume is probably a bigger concern than frequency response, at least initially. low power is ok, as this thing is only making about 85 watts anyway. going to borrow a pair of D-130F from a friend to try them. they will probably be awesome, and there is a large chance that he wont sell them to me. also, some of the weber clones seem promising. altec? again, i have other amps and several cabs, and am not interested in anything other than making this too-small, poorly constructed fender cab perform as greatly as it possibly can. any opinions? p.s. i am going this p.m. to look at a mesa 400+. if it comes home with me, this cab deal might become a back-burner project for a minute. ive owned many tube amps over the years, but never a "BIG" one. like borat, i am very excite!