This is a strange comment. Bass cabinets are not different than most other kinds of cabs aside from the role they play.
Most modern cabs are essentially PA cabinets. Woofer+crossover+tweeter.
Starting at the bottom, bass frequencies are essentially omnidirectional. You are going to be getting the same amount of low end in every direction from that cabinet. This is good and bad. If your low end is cranked, you may be driving the drummer crazy so you can get heard out front.
Also, since bass is omnidirectional, your bass energy is dissipating in every direction, while the guitars, keys and such are midrange focussed and spend little energy, pointing in a narrow angle of say 45 degrees. And are heard fine by everyone.
In the midrange drivers tend to beam. Or shoot a narrow dispersion of 10-20 degrees. Oddly a 15" will beam narrower than a 12" or ten usually, since it's voice coil is set much farther back.
Then as you get into the tweeter's range the high mids and treble will often have very wide, almost 180 degree dispersion.
Now this is all presuming a single woofer and tweeter.
When you get into several speakers like a 4x10, with a tweeter in the middle, you actually get very consistent dispersion if the cab is high enough(and well engineered).
Also a pair of 2x10 or 2x12 on their side tend to carry quite well. With decent dispersion.
Still, whatever cab you use, the low end is going to be tricky. I've always sought out walls and corners of rooms when possible to help corner load or quarter-space load the room.
This wont work on festival stages or theater style stage with a scrim/curtain behind the band. But in clubs and similar venues it works wonders.
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