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In the Forum: Audio Discussions
In the Thread: Constructing LF modules to the limits
Post Subject: Some thoughts in a positive directionPosted by noviygera on: 9/27/2011
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Petar,

I thought for along time how to reply to your post. All my thoughts basically narrow down to this. You're a soulful guy. There is nothing smart I can say to add or subtract to you findings but I think that the result you will finally get from your LF "end of all searching" is a very refined and "soulful" signal reproducer. That's good to know because this "soulful" characteristic of sound has not been explicitly described anywhere -- as means AND the end of getting to the righteous result but now there is a rough guide.

So this 23" multiple woofers project of yours is part of the means to the goal. I believe that the infinite baffle is also a good idea. It will take you in the right direction but do not mount those woofers behind your listening position. I tried that and it's tonally good but it's confusing as hell to the brain even if crossed over 80-100hz, still confusing. Put them in front or on sides, where the main channels are. That's my experience.

Also, there must be a good ratio between the speaker cone area and listening room volume to get proper tonal pressurization of the listening room. What that area is I do not know but it is a lot more that two 23" woofers for a normal sized room, I believe (see ps note). I'd like to try at LEAST two per channel, positioned behind each channel.

Since you strike me as a person of soul, I would love to hear your result from using those 23" woofers. If they are good, why not make more and sell them.
I am currently looking at multiples of 18" to 24" woofers (Precision Devices or Hartley), even wondering about that 31" Fostex.

Thank you for your reply.

Herman

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.




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