what is my boxed tuned to?

[ilikesound]

i have an 8'' momo sub in a sealed box. i was wondering if i can find out the tuning frequency of my box. i have no idea how to do it though, can anyone help?

[Jethro]

i have an 8'' momo sub in a sealed box. i was wondering if i can find out the tuning frequency of my box. i have no idea how to do it though, can anyone help?

Sealed boxes do not have 'tuning frequencies' like ported boxes do. All subwoofer systems (woofer + enclosure) have 'resonant' frequencies, but is not something you necessarily need to tune.

If you want to know the resonant frequency of a sealed sub system, then you need to know...

1. The following Thiele-Small parameters of the sub:

• Vas
• Fs

2. The total internal volume of airspace inside the enclosure (Vbox).

Use the formula:

[(Vas/Vbox)+1]^sqrt * Fs = Fc (resonant frequency)

[ilikesound]

how do you find out how much volume the box has? is it HxWxD?

[MacLeod]

http://www.carstereo.com/help/Articles.cfm?id=26