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Re: Under stage sub-arrayPart of this excellent paper goes into some detail and computer modeling on the effect of the proximity of a stage in relation to a cardioid sub array:http://www.aes.org/e-lib/browse.cfm?elib=15268To summarize their findings on stage proximity effects:''...it is evident that subwoofer placement directly underneath the stage can almost eliminate any advantages gained with cardioid polar patterns; the low-frequency SPL on the stage is virtually identical to that in the audience...Moving the subwoofers two meters forward so that they are not underneath the stage results in much lower SPL on stage while preserving the audience area response...''
Re: Under stage sub-array
Part of this excellent paper goes into some detail and computer modeling on the effect of the proximity of a stage in relation to a cardioid sub array:
http://www.aes.org/e-lib/browse.cfm?elib=15268
To summarize their findings on stage proximity effects:
''...it is evident that subwoofer placement directly underneath the stage can almost eliminate any advantages gained with cardioid polar patterns; the low-frequency SPL on the stage is virtually identical to that in the audience...Moving the subwoofers two meters forward so that they are not underneath the stage results in much lower SPL on stage while preserving the audience area response...''
