[Ground Zero need a box (28-32hz)]

Sorry, forgot to convert the values ​​here . The manufacturer is tuned above 40Hz and inappropriate for you

Your small car and thus the max SPL to dodge

whopping gross: 5,728 cu.ft

Port: 2x diameter 3,93700787401575in x length 11,8110236220472in

Box tuned 29hz,

or

slot port : length : 13,7795275590551in x height 1,5748031496063in x depth 13,7795275590551in

box tuning 27,2hz

box tested Citroen Saxo and Toyota Yaris!

simulation and measurement corresponds

good luck gally

[Ground Zero need a box (28-32hz)]

So, today i pourchaused a Ground Zero Hydrogen 38X, or its a 15˝ dual 2ohm subwoofer with a FS of 19.3hz...so this project is for the lows...mostly

my space dimension

55cm/21.7inch length or depth-

114cm/44,8inch width--

53cm/20,9inch height---

GZ sub specs in this photo

http://imageshack.us...0730213239.jpg/

im sorrsy but im trying to type from my em...sort of a tablet computer and is a little difficult

and the frequency i would like to be from 29-32hz...

160L ported 85 cm x 2.5 cm x 38 cm

box tuned to 29hz

[The Definition of a Passive Radiator]

Interesting read from the audio expert .

We've built a passive radiator , but had to use more liabilities. With one of the membrane and 200g it played a 50hz high enough .

With two passive radiator and each 250g, debugging using the impedance measurements was 35Hz and sound more accurate and faster as boom Bass reflex .

Liabilities, but failed to do so much SPL