OT: For bass freaks

[SD-50]

For some there is never enough bass, this may do the trick.
University of Wisconsin Engineering Students Build Absurdly Huge Bass Cannon & Let It Kick It ? Synthtopia

[Altec Best]

I'm fresh out of 6 KW output amplifiers.

[VolvoHeretic]

Don't you mean 1.20 gigawatts? They should have built the cone out of two layers of material with lightweight spacers inbetween, like corrogated cardboard. Really cool though.

[cradeldorf]

Nice build, They should name it the Brown Bomber.

[Altec Best]

When I seen that. I couldn't help myself thinking of Marty McFly strumming the strings on his guitar and going threw that giant speaker in Back to the Future !

[tomt]

We found the resonant frequency of the building

to be approximately 7 Hz,

Giant Speaker

[Altec Best]

Doc Brown's