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  1. #1
    Legend Mean_Green_95's Avatar
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    Question AV guy's help pls

    I just installed all new door speakers in my truck. I used to listen at volume 20-25, now volume 5-10 is equivalent to that, lol.

    I have a BOSS 850 mono block pushing all the new door speakers. When ever I get to volume 15 my amp shuts off. Anyone know why?

    Lastly, I need to install a CAP in the truck now. In my 95, I ran the power wire to the CAP, then the fuse, then distribution block, then to the amps. Is it ok to leave my fuse before the CAP, then have the distribution block?

    Thanks in advanced!
    2010 Equinox LT
    2.4, 6 speed auto, power lift gate, remote start, bluetooth, xm.

    1995 Cheyenne C1500 ext. cab(my baby, my first truck)
    5.0, 5 speed, Silverado appearance package, power nothing, bucket seats and console Silverado, painted black interior, eBay halo headlights, eBay chrome tails, eBay cai, dual Flowmaster 40's w/no cats, 15x7 American Racing Hopsters, Walmart fog lights, SS mirrors

  2. #2

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    Quote Originally Posted by Mean_Green_95 View Post
    I just installed all new door speakers in my truck. I used to listen at volume 20-25, now volume 5-10 is equivalent to that, lol.

    I have a BOSS 850 mono block pushing all the new door speakers. When ever I get to volume 15 my amp shuts off. Anyone know why?

    Lastly, I need to install a CAP in the truck now. In my 95, I ran the power wire to the CAP, then the fuse, then distribution block, then to the amps. Is it ok to leave my fuse before the CAP, then have the distribution block?

    Thanks in advanced!

    What type of speakers are you using. Mono Block amps are normally made for subwoofers, 2channel amps are made for both(As long as the channels can be bridged), and 4 channels are strictly for speakers. 5 Channel amps are for both(4 channels for speakers and the 5th being a higher wattage channel for subs.). Check all your grounds and connections. So you have the inline fuse right before the cap? Or after? The inline fuse should be around your battery.
    Bagged 06 Silverado Crew Cab.

  3. #3

    Default monoblock amp

    I would agree if your using a mono block amp to run all your door speakers the ohm rating will not be right, you could try turning the gain down on the amp that will help a bit but it will still most likely go into shutdown mode to protect it. 850 on door speakers is a little overkill, probaly why it is so loud at 5
    Jeff - St. Louis, Mo.

    2001 Chevy Tahoe

  4. #4

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    Check all of the wires running into and out of the amp, including speakers.

    If any of the wires are fraid and touch another signal wire, at volume the breaker could shut off the amp.
    Pavement sucks... :grrrrrr:



    1994 K1500 4x4 Ext. Cab
    PCM chip and Xenon 8000k bulbs
    350cu.in bored over .050"
    balanced Crank, 10:1 compression
    Flat top pistons,cam,ported heads
    Option Racing Cold Air Intake
    Holley Throttle Body Spacer
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    FloTech Headers, no CATs, dual exhuast
    Goodyear Silent Armor A/T 305/70-16
    Pioneer SupertunerIII CD USB Bluetooth
    Kicker ZX200.2 ZX Amp
    Kicker Audio COMP 10" Subwoofer

  5. #5

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    what is proabably happening is because you are using somewhat of the wrong amp for the application you are actually overheating the amp causing it to shut down. Make sure first the amp is in a ventalated area. second make sure all you fuses are in good working order if one is poped do not replace it with a higher amp as this may cause the system to overload and blow a speaker or your amp. as far as the cap i never pushed that much power and unless you are pushing a sub you really dont need one in my experiance
    99 Silverado Ext Cab Z71 Third Door
    All stock for now

  6. #6
    Legend Mean_Green_95's Avatar
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    Default

    I'm going to get a 400 watt 2 channel amp for the doors when I get a chance.

    My fuse is by the battery. Is it ok to have the fuse before the cap or should I move it to after the CAP?
    And I am running a sub so I need to put a CAP in, and since I have one laying around, why not use it, right?
    2010 Equinox LT
    2.4, 6 speed auto, power lift gate, remote start, bluetooth, xm.

    1995 Cheyenne C1500 ext. cab(my baby, my first truck)
    5.0, 5 speed, Silverado appearance package, power nothing, bucket seats and console Silverado, painted black interior, eBay halo headlights, eBay chrome tails, eBay cai, dual Flowmaster 40's w/no cats, 15x7 American Racing Hopsters, Walmart fog lights, SS mirrors

  7. #7

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    Quote Originally Posted by Mean_Green_95 View Post
    I'm going to get a 400 watt 2 channel amp for the doors when I get a chance.

    My fuse is by the battery. Is it ok to have the fuse before the cap or should I move it to after the CAP?
    And I am running a sub so I need to put a CAP in, and since I have one laying around, why not use it, right?
    Yea the fuse is fine. It's supposed to be before the cap. A cap isn't necessary, but it's fine to add one. Their really a thing of the past.
    Bagged 06 Silverado Crew Cab.

  8. #8
    Legend Mean_Green_95's Avatar
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    Default

    I've heard that caps are a thing of the past before. Why is that exactly? But since I have a nice one laying around I might as well use it.
    2010 Equinox LT
    2.4, 6 speed auto, power lift gate, remote start, bluetooth, xm.

    1995 Cheyenne C1500 ext. cab(my baby, my first truck)
    5.0, 5 speed, Silverado appearance package, power nothing, bucket seats and console Silverado, painted black interior, eBay halo headlights, eBay chrome tails, eBay cai, dual Flowmaster 40's w/no cats, 15x7 American Racing Hopsters, Walmart fog lights, SS mirrors

  9. #9

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    Quote Originally Posted by Mean_Green_95 View Post
    I've heard that caps are a thing of the past before. Why is that exactly? But since I have a nice one laying around I might as well use it.

    Caps are a "bump sell" for retails such as myself. I don't sell them as see myself as one of the honest guys. Here's the deal with a cap. All it really is, is a second, smaller battery.

    If your alternator is strained by your system with the current electrical system, how could it possibly be good to ask it to try to keep up AND to now try to fill up two "batteries"? If anything, it is actually harder on your vehicle than it is good.

    As far as your monoblock, everyone is on the right track but there are a few things to also know. Your sub amp does not have the proper high frequency crossovers as a proper amp either. You are going to damage or destroy them. I'd stop using it completely. Monoblocks are also usually a Class D amp which means that they have a higher distortion rate that the multi channel class A or Class A/B amps because sub amp don't need to be as clean as speaker amps. I'd turn it off man and wait to do it properly before you have to start replacing other gear.

    That's just my $0.02

  10. #10
    Sr. Mechanic Gambit's Avatar
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    Default

    Id kind of like to know why they are a thing of the past aswell. I mean back when i was into all this heavy hitting base a CAP was fresh and the best thing to have.

    As for your fuse location it should be before the CAP. you want to protect the CAP from a power surge. The cap itself is always going to give off constant power so a fuse between the CAP and block is pointless.
    Jeep Recovery Vehicle.

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