infinity box

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robert99

Member - Posts: 6

Joined: May 02, 2003

Location: United States

Posted: July 06, 2003 at 3:56 PM / IP Logged

i have 2 infinity kappa perfect 12.1d, and dont know what kind of box to use. its going in a 98 s-10. im using a jbl 1200.1 as the power source. anybody have some opinions.

Thanks

ghs_wreslter189

Copper - Posts: 52

Joined: June 29, 2003

Location: United States

Posted: July 06, 2003 at 5:57 PM / IP Logged

definitely a sealed box, I have never and probably will never see a perfect in a ported or bandpass.

--Adam

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bberman1

Gold - Posts: 2,314

Joined: March 11, 2002

Location: United States

Posted: July 06, 2003 at 6:23 PM / IP Logged

I would use a sealed enclosure with 1cu/ft volume per sub. If you are interested in designing / building your own enclosure you can use the 12volts volume calculator https://www.the12volt.com/caraudio/boxcalcs.asp#rec to figure out the proper size and volume. Don’t forget to use at least 5/8 mdf board.

robert99

Member - Posts: 6

Joined: May 02, 2003

Location: United States

Posted: July 06, 2003 at 7:48 PM / IP Logged

thanks for the info. I put them in a sealed box by the recommandations of the subs. Now how hard should they hit before they start destorting? the amp is turn 1/4 of the way up and the radio bass is on 0.

bberman1

Gold - Posts: 2,314

Joined: March 11, 2002

Location: United States

Posted: July 06, 2003 at 8:14 PM / IP Logged

The best way to set the gain is to turn it down all the way. Try and turn off the mids and highs. Turn up the head unit to about 3/4 all the way up. Then slowly turn up the gain on the sub amp till you start to hear distortion. When you hear distortion turn the gain down a little and it will then be set. Turn the mids and highs on and you will be good to go. But it is important to remember the gain control is not a volume control, it is used to match the output on the headunit with the input on the amp.

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infinity box

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