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Thread: what size fuses should i use

  1. 06-23-2006, 12:27 AM #1
    chitown_16
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    what size fuses should i use

    i have a jl audio 500/1 pushing 1 alpine type x dual voice coil.......(4ohm per coil)........it is wired at 2 ohms........i also have a audiobahn a4004t amplifier pushing infinity kappa 6 by nines also wired at 2 ohms............its all connected with 4 guage kicker wires.....i have a 150 amp fuse within 18 inches of my optima yellow top battery........at the distribution block i have 20 fifty A fuses then i ahev the wire come out of the distribution block 8 guage..............for some reason i have gone thru three fuses in less than 2 weeks i want the system so that im not going through any fuses obviously somethings wrong here.................up for any and all suggestions you guys always have solutions....thanks....
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  2. 06-23-2006, 12:37 AM #2
    Sidewalksalvage
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    well....basically the main fuse should be the addition of all your smaller amps...ie if one amp is 20 the next is 30 and the last is 15 the main should be around 65 amps....

    if the distro block has fuses that are less then the component it runs its gunna blow.....

    and thats basically how it works....

    and see if others have the same problem...
    Brown 2010
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  3. 06-23-2006, 12:42 AM #3
    chitown_16
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    okay perfect thanks so then i gotta change the fuse that is 18 inches from the battery with a 100 amp fuse instead of a 150 amp fuse then right???
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  4. 06-23-2006, 04:17 PM #4
    chitown_16
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    another person is telling me my problem is that the jl audio 500/1 uses 50amps to 100 amps when the base hits real hard..............and he said to just replace the 50 amp fuse at my distribution block with a 100a fuse...........im scared to though because the owners manual says to use a 50 amp fuse????????im confused so i come to you for help....thanks...
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  5. 06-23-2006, 04:53 PM #5
    Sidewalksalvage
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    An amp with the proper fuse from the manual will NOT pull more than that value. If the manual says 50A put that fuse in, no more. If the fuse is 50A there is NO way it will pull more than that unless its broken
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  6. 06-23-2006, 05:24 PM #6
    Paul H
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    broken

    Quote Originally Posted by Sidewalksalvage
    An amp with the proper fuse from the manual will NOT pull more than that value. If the manual says 50A put that fuse in, no more. If the fuse is 50A there is NO way it will pull more than that unless its broken
    Or you connected something wrong / not according the Amp. specs
    Paul Huijgens


    Audi technician
    former Saab technician


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  7. 06-24-2006, 10:51 PM #7
    chitown_16
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    i blew another fuse today...................it seems every time a fuse goes is when i have the base all the way up and the volume pretty high too...........is it possible that the amp is blowing fuses because i am trying to push it tooo hard...............because that is the only time the fuse blows.....................maybe because the sub im using is 1000 wats rms and the amp im using only puts out 500 watts is that possible tell me what you guys think thanks again./....
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  8. 06-25-2006, 09:18 AM #8
    Will Albers
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    Quote Originally Posted by chitown_16
    i blew another fuse today...................it seems every time a fuse goes is when i have the base all the way up and the volume pretty high too...........is it possible that the amp is blowing fuses because i am trying to push it tooo hard...............because that is the only time the fuse blows.....................maybe because the sub im using is 1000 wats rms and the amp im using only puts out 500 watts is that possible tell me what you guys think thanks again./....
    You need to learn how to set your gains. If you have the bass all the way up, then you are not following the rules. You need to learn about distortion and overdriving. Please search on these topics as they have been covered over and over.

    The fact that you have a 1000 watt sub and a 500 watt amp means nothing. You can still blow up that subwoofer easily.
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  9. 06-25-2006, 10:53 AM #9
    kbkid
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    http://mobile.jlaudio.com/support_pages.php?page_id=143
    JL Audio has an excellent gain setting tutorial on their site.
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  10. 06-25-2006, 05:44 PM #10
    chitown_16
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    okay..........ill figure it out thanks for pointing me in the right direction......
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