[quote name='Marty Forrer' timestamp='1495151072' post='3301740']
People who struggle to hear themselves don't need vertical 4x10s, they need better quality cabs. Barefaced, Greenboy and BFM are an example of cabs (there are more) that are quality. Most cabs from your local music shop are not quality. They are built with cheap drivers and built to market requirements, not driver requirements. They are also built to maximise profit. An example of a quality cab is my Greenboy Fearful 12/6. One little light cab (32lbs) and it can take a thousand watt power amp. The dispersion, both near and far, is amazing. It will handle a low F# string no problem. Two of them is just ridiculous! Just my opinion.
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So your not using a 4x10 cab then, maybe there's a reason the manufacturers you mention aren't big on 4x10 cabs, Barefaced only started making one recently and it's apparently not a conventional 4x10 for the reasons of dispersion, crap cabs will always be crap I agree but your comment makes no sense, a cab of the same brand with the speakers laid out differently wouldn't suffer the same dispersion problem, the physics of the 4x10 is the problem which you've overcome with a 12+6 arrangement.
Fwiw those greenboy cabs are fantastic and probably what I'd go for if I needed a new cab!