8" sub choice for "small" Bluetooth system

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The specs for the anarchy's do look nice. Denovo Audio Anarchy woofer DIY Sound Group

I don't see any specs for the 4ohm one or for power handling though. The amp I am going to use is rated at 80w with the battery I am using.
It also looks like it will take a smaller box than the Tang Band. And for me that is a plus.

I have four Anarchy's. For their size, they pound. Watch this: https://www.youtube.com/watch?v=-iGD0p0E42A

This clip was of the original, as designed and sold by Kevin at Exodus Audio. Kevin subsequently closed his business and later licensed the Anarchy design to DIYSOUNDGROUP.

I believe ported it runs approximately 0.5ft^3.

There are even tapped horn sub designs based on this woofer.
 
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That is an impressive clip.

I'm looking for a sealed design. I like the look of the TB because it calls for a .13cuft box sealed. I'm at this point looking to do a 7.5" cube with the two 3" TB's and one woofer.

I am thinking of running the TB's without crossovers. I like the sound of them just running off the amp. What would be a good cross over point for the sub if I were to do it this way?
 
I put these SB in well made braced boston acoustic sealed 1.00 cubic feet boxes I had gutted and put away. With 200w x 2 and EQ, I was pretty happy with them as is. My M&K 8" subs have a tiny foot print, close to the dimensions you listed in your opening post. I couldn't resist trying the SB's in the MK boxes. They recommend a smaller box (half the size of the boston acoustic cabs) as they state on their page.

"Box recommendations:

Sealed box of 0.45 to 0.55 cubic feet for an F3 of 55Hz. You would need to use a bass boost or DSP to push the driver into lower frequencies. The F6 is 42Hz and F10 is 31Hz."

The bass tightened up and has more snap and impact. I do prefer them in the smaller cubes. Ill set out to build well braced .50 boxes with 1" MDF walls and 1 1/4" baffles. They will have a little bigger foot print but it should pay off in sound, I dont want to hear any box noise whatsoever so I'm taking the over build approach to try and leave no room for question.

These might be hard to beat for the price of $129, they are well made and look and sound great https://www.madisoundspeakerstore.c...cl45-8-8-polypropylene-cone-sub-woofer-8-ohm/
 
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