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In the Forum: Audio Discussions
In the Thread: Constructing LF modules to the limits
Post Subject: What is your reasoning?Posted by Romy the Cat on: 9/27/2011
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 noviygera wrote:
p.s from my experience of having a 500 sq. ft. listening room with 7 ft. ceiling and having two 18" woofers in a infinite baffle configuration, it is not enough to pressurize the room. I am talking about low and medium listening levels. Four 18" would be just acceptable. Eight 18" woofers in infinite baffle will be good for a 500 sq. ft. room so there is your rough ratio according to my experience.

Herman, I would like to ask what methodological reasoning you uses to assess that your room of 500 sq feet having two 18" woofers in a infinite baffle it is not enough? Do you feel that not enough bass? You do not have more power or gain in your amplification? Do your drivers excurt too much? Do you hear too high distortions or compression?  Do you have measurements in the room at the frequencies that you are interested in?

The reason I ask as I feel that 4x 18 inchers for 500sq feet room is certainly wonderful but it is nowhere near absolute minimum. A good pair of 416/515 drivers with moderate 40Hz would perfectly fine for 500 sq. ft. Sure the more drivers and more size is better but when we do it we just minimize the excursion of each driver and improve sound by spreading all problem across multiple transducers allowing each transducer to be not as good as a single driver. Anyhow, I would be interested to know how you came to the concussion you have came. 
 
The caT

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