Home Speaker Asylum

General speaker questions for audio and home theater.

Re: Allison Effect

layman

>>>“If boundaries are far enough away, the suckout moves downward in frequency and begins to affect the lower bass range. A large boundary 3 feet away from a speaker will cause a power response dip at 113 Hz everywhere in the room. At 4 feet, the suckout will occur at 84.75 Hz; at 5 feet the null drops to 67.8 Hz; at 6 feet it is 56.5 Hz; at 7, 48.4Hz; at 8, 42.4 Hz; at 9, 37.66 Hz; at 10, 33.9 Hz; and so forth.”<<<

Do you have an on-line reference for this?


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  • Re: Allison Effect - Double Trouble 13:43:51 01/07/02 (1)


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