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Multi-Way Conventional loudspeakers with crossovers

passive radiators for midrange
passive radiators for midrange
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Old 6th October 2013, 11:07 PM   #31
Cal Weldon is offline Cal Weldon  Canada
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passive radiators for midrange
Originally Posted by GM View Post
No, discrete 3 way.

Really? I was thinking of using the 604-8H with the 416C and running them 2.5. Is that not the right way, I should trim a little off the bottom of the 604 and use a divided cabinet?
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Old 6th October 2013, 11:13 PM   #32
betas is offline betas  United States
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an alternative to a passive radiator since your already building a sepreate isolated cabinet would be a specialty tuned port design i would make a cabinet ported in the back with an outer cabinet in the front so lets say you inner cab is 6 inches cubed 1/2 inch lumber outer cab would be 8 inch cubed 3/4 due to bass exposure now port that outer cab with 2 inch by 5 inch oval slots all 4 sides top bottom left right in the front the inner cab port with a 3/4 inch by 3 inch insulate the inner cab with polyurethane coach stuffing or a even a light fiber glass if your going into the highs but that port will simulate a much larger sealed cab within a a certain frequency range much like a passive radator i found such a design gave me supper smooth and hard hitting bass from a pair of 15s applied the concept in a less advanced method as it was about pressure release not re verb syncing meaning you will end up with out phase sound coming out the port at some frequencies unless you try to reflect certain tones though different paths and back though the port a radiator would be best in the back to avoid any re-verb keep the front hard and the back padded as much as you can and some on the sides as well as top and bottom also keep in mind if you radiator is to soft your not gonna get it to move you want a stiff radiator almost like a 5 inch woofer with no magnet now spider just the cone and foam edge and no steel frame behind it what ever route you chose good luck
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Old 7th October 2013, 08:44 AM   #33
tinitus is offline tinitus  Europe
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passive radiators for midrange
Originally Posted by Cal Weldon View Post
I was thinking of using the 604-8H with the 416C and running them 2.5. Is that not the right way .... ?
2.5way might be a good solution ... they just didn't know this

I think Focal/Jacques Mahul designed and built the first commercial 2.5way speaker
a standmount with 2x 5", ofcourse
but noone really knew why he did that
it just looked like dodgy cheating

might actually work very well with the sidemounted subwoofer
sometimes we know very little, and sometimes we know too much
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