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Vented enclosure

This type of enclosure is the installer's top choice for high performance SPL levels

and requires a deeper understanding in order to achieve maximum efficiency. The

most notable difference between the sealed and vented enclosure is the port, this

port is used to tune the enclosure. Larger boxes tend to be easy to tune to lower

frequencies while medium and small boxes are easier to tune to higher frequencies.

The vented design is less linear in response than the sealed but with noticeably

more output at the tuning frequency.

Primary advantages

• Low distortion around port

• High output for SPL

• Tuning frequency can easily adjust depending on length of port

All of the cubic ft. provided in this manual includes the speaker displacement. For

vented enclosures the port displacement must be calculated and added to your

internal volume. If using 3/4" MDF wood add the thickness of the wood 1.5" to the

H and the W, next use the outer dimension of the port so

H+1.5 X W+1.5 X L=(result). Use the (result) and divide it by 1728, this new result

is then added to your internal cubic enclosure.