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RE: Help needed with BMS compression driver horn experiment

hm..

well.. i'm not an expert-- but to my knowledge, to run a horn out to it's limit is going to end up compromising sound. an octave above it's lowest point is, best i know, the rule of thumb. besidedly-- running ANY driver full range over 8 octaves, and any horn the same amount.. that's a lot to ask!

my knowledge of the 4592 is in a system that crosses in the 500-1000 hz range over an onken with two altec 515s.. doesn't seem too compromised, honestly! and regardless of it's more than single point source-- it doesn't seem to suffer or get harsh.

my personal experience with a BMS 4552 (which is just a single 1.5" driver) is fraught with coping with harshness- but primarily due to an incorrectly implemented crossover. THAT took a bit of tweakery-- but in the end-- it's not the driver, it was me and my lack of measurement capacities!

what is your current crossover topology? are you using an active, or a passive?

i wouldn't get too hung up on single point source or crossover points as concepts-- they're nice ideals-- but that ain't the problem, i'd suspect. most bass drivers'll get your north of 500hz (although i'm not certain as to what you're using), to my knowledge, and crossovers aren't necessarily evil either! even if you're running a bass driver up 'that high'-- it's sonic penalties can't be any worse than running a compression driver 'that low'!

throw out to the forum what you have-- maybe there's an amenable answer to be found, if not 'nirvana'.

yrs

d.

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