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Building Sub with 3" speaker for Minimus 7's

grafxdesin

grafxdesin

AK Subscriber
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So I want to build a very simple sub for some bass for a small system that I will be running in the production space of my winery. My main speakers will be the Minimus 7's and I already have a few Hivi 3" B3N so I figured why not use one of these. I plan to build a closed box with an internal dimensions of 8"x8"x8". My real question is, low pass filter, what can I use? A capacitor? If so what value?
I know I am making things very simple but I am just looking to add some bass to my 7's. Any help is greatly appreciated.
Also if it matters the amp running all of this will be less than 50 watts. I am looking for a pioneer sx-450 or something similar.
Cheers
Adam
 
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Those drivers will add volume but not bass, they are optimistically rated down to 80 Hz, about where your 7s are. They're full range and tiny.
Buy a hunnert twenny dolla sub that comes with its own plate amp, giving the old reciever some help.

That being said, making 2 more satellites out of 2 of them, to add to the 7s would be a better engineered use of them. Full range means no crossover.
 
TudorTurtle said:
Those drivers will add volume but not bass, they are optimistically rated down to 80 Hz, about where your 7s are. They're full range and tiny.
Click to expand...
Yes, absolutely true, the quoted resonant frequency of those drivers is 77Hz. They may make great small speakers but would be pretty hopeless as a subwoofer.
Just get a more suitable driver or a cheap ready-made sub.
 
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