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Pull the power wire through the firewall from the inside of the vehicle until the extra wire is out from under the hood. For this reason you should have your battery and electrical system tested by a qualified technician before making any additions or changes to your system. Connect the red plug on the RCA cable into the red plug (left) on the radio and the black plug (right) on the RCA cable to the black plug on the radio. Connect the subwoofer's ground wire to a suitable grounding location. caraudiohelp. 0 - 1.
car subwoofer help
5 12 2. Mounting the Drivers Before you start mounting the speakers, you'll need to drill a few holes. The volume of a cylinder is pi*r2*h, or (3. htm. Be sure to check inside ashtrays, glove boxes for any of the hidden screws. In general, you will find that spray adhesives are used to bond fabric to the surface of an enclosure.
Please note that these were located at http://www.caraudiohelp.com/plans_for_subwoofer_enclosures/plans_for_subwoofer_enclosures_sealed.htm
Plan #1 - Sealed Subwoofer Enclosure
WinISD recommends a 1.55 cubic foot box for our sealed enclosure. We'll achieve this by using 3/4 " MDF for the enclosure with external dimensions of 15.5" x 24 " x 10 ". This will be a simple rectangular box. Modeling the enclosure we see that it has a 87 dB sensitivity and a -3dB (half power) frequency of 42 Hz. This box should give very strong output when it is combined with the 12dB/octave boost provided by most automobiles.
JL Audio 10W1
SPL (1W/1m) - 87 dB
-3dB @ 42 Hz
Here is the layout of our subwoofer enclosure. We will need to cut the following pieces:
SIDE QUANTITY DIMENSION
TOP/BOTTOM 2 24" x 10"
FRONT/BACK 2 24" x 15.5"
SIDES 2 15.5" x 10"
JL Audio 10W1 - 1.55 cubic ft
Plan #2 - Vented Subwoofer Enclosure
WinISD recommends a 3.2 cubic foot box with a 24 Hz tuning frequency for our vented enclosure. Using a four inch port we'll need a vent that is fifteen inches long. We must take this volume into account. The volume of a cylinder is pi*r2*h, or (3.14)*(2)2*15 = 188 cubic inches. Divide this by 1,728 to get cubic feet and we add 0.11 cubic feet to the enclosure.
We'll achieve this by using 3/4 " MDF for the enclosure with external dimensions of 19.5" x 30" x 12.5". This will be a simple rectangular box. Modeling the enclosure we see that it has a 87 dB sensitivity and a -3dB (half power) frequency of 24 Hz (the tuning frequency). This box should give incredible amounts of output when it is combined with the 12dB/octave boost provided by most automobiles. This is to be expected with a box this large. In practice we would probably make the enclosure half this size, or similar to the size of the sealed enclosure.
JL Audio 10W1
SPL (1W/1m) - 87 dB
-3dB @ 24 Hz
Here is the layout of our subwoofer enclosure. We will need to cut the following pieces:
SIDE QUANTITY DIMENSION
TOP/BOTTOM 2 30.5" x 12.5"
FRONT/BACK 2 30.5" x 19.5"
SIDES 2 19.5" x 12.5"
JL Audio 10W1 - 3.3 cubic ft