Slot port


Bronze Member
Username: Qcsfinest

Post Number: 84
Registered: Jun-05
I was wondering if anyone knows what i would need to do to modify the box Jon helped me come up with. The way he has it designed now is good but I just wanted the port in the middle to make it have a balanced look. I know he is really busy designing boxes so I was wondering if someone could help me.

"What I came up with is a 3.75ft^3 box tuned to 32hz. This will give you the exact same response, but give you a 3db boost and extend the playable bass range another 4hz. The port is quite large which will yield a bigger SPL boost and no chance of a problem with port velocity (port noise). This design will have a very smooth response with very high SPL gains, as well as a very safe design. it is tuned low enough that you will not really have to worry about harming the woofer itself."

The box dimensions would be:

tuning freq. 32hz
port dim. 3" x 14.5"
port length 23.5"

W 32" x D 19.75" x H 16"
Port: H 14.5" x W 3" x L 23.5"

(2) front/back: 32" x 16"
(2) top/bottom: 32" x 18.25"
(2) sides: 18.25" x 14.5"
(1) port #1: 14.5" x 15.25"
(1) port #2: 14.5" x 3.75"

Box Diagram:
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