|
| tickford_6 |
|
||
Posts: 6449 Joined: 11th Nov 2004 |
not sure if any one is interested or not.
BUT the theory behind all of this is called 'helmholtz resonance' do a google on it and you will find loads of info on it. |
||
| Top | |
||
| Who is online |
|---|
Users browsing this forum: No registered users and 9 guests |