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PORTED ENCLOSURE
Building a Ported Enclosure:
1. Build a ported enclosure with internal dimensions of LxWxD as
specified for your woofer (See recommended enclosures for
your woofer). Use 3/4” thick MDF for the enclosure. Be sure to
use wood glue and silicone at all joints to ensure your enclosure
is sealed properly. Air leaks will affect the performance of your
subwoofer, even in a ported enclosure.
2. Using the supplied template, trace the appropriate circle and
mounting hole pattern for your PowerClass C2 subwoofer on the
baffle board. Be sure to offset the woofer to one side to leave
room for the port in the baffle. (See Diagram)
3. Cut the speaker and port holes from the baffle board with a
router, using a guide or template whenever possible. Use a jig
saw only if a router is not available.
4. Locate the port material that you are going to use, and cut to
length. When installing the port, make sure you have a
clearance of at least one port diameter from the end of the port
to the inside wall of the box. Round over the inside edges of
both ends of the port with a router or file to minimize port noise.
5. Place the woofer into the hole which you have cut in the baffle to
check the fit.
6. Run an appropriate length of wire into the box, leaving enough
to comfortably install the wires to the woofer terminals before
placing the speaker into its mounting hole. Use a terminal cup
whenever possible.
7. Vacuum out any wood shavings and dust from the inside of the
enclosure. (Failure to do so may void your warranty.) Line the
enclosure with a polyester fiberfill blanket or fiberglass insulation
about 1” thick.
8. Connect the wires to the woofer observing the proper polarity,
positive and negative terminals. Strip away the insulation of
the wire about a 1/4" and install the wires into the terminal posts
9. Once the box is complete, it's time to connect the speaker wire
coming from the subwoofer enclosure to your amplifier. Check
that you use the proper wire for consistent polarity, positive and
negative. (Refer to your amplifier owner’s manual.)
10. Finally, sit back and enjoy the incredible enhancement your new
PowerClass C2 subwoofer brings to your audio system.
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