I'm attracted to test a sonotube subwoofer project, as they are cheap.
and I have some simple questions
How does carpet affect the sound if the woofer and port are firing downwards?
Why do most people use excesivly large ports, even 2 large ports on some designs, while most of conventional subwoofers have much smaller ones...
and I'd guess some bracing wont hurt those? right?
and I have some simple questions
How does carpet affect the sound if the woofer and port are firing downwards?
Why do most people use excesivly large ports, even 2 large ports on some designs, while most of conventional subwoofers have much smaller ones...
and I'd guess some bracing wont hurt those? right?
It should work quite well, the carpet will absorb some of the higher frequency harmonics that the cone produces, as well as some of the out of band response.
Bigger ports produce less noise as the air is moved through them.
If you are building TLs, then there should be no need to add bracing, but if you are building a BR then a little bracing will help reduce panel resonances.
No need for bracing if you use Sonotube, or better yet a Cubicon cylinder, as they are geometrically ideal for such applications, and are very strong with little resonance in the sub bass band. As for down-firing, just give the cone 3-6 inches and use a driver that has a little sag and it will be fine, the Tempest 15 from Adire is what most use for this kind of application.
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