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Two amplifier installation

Amplifiers blowing fuses when volume is turned up. Dual two channel amps bridged

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  • king tuck Feb 21, 2008

    thanks for the info

  • Anonymous Mar 15, 2014

    blowing fuse when I connect to battery

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Not 100% sure but i think it is because your tryin to pull 2 much power from system try unbridgeing them

Posted on Feb 20, 2008

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Audiobahn a1502dp amp only one channel is working. I need both to bridge it and get its full 1ohm potential. Where can I get this fixed? Preferably near kc


Audiobahn A1502DP True Digital Series 2-Channel Amplifier

www.sonicelectronix.com > ... > Car Amplifiers > Class-D Amplifiers

Rating: 4.5 - ‎4 reviews
Audiobahn A1502DP • True Digital Series 2-Channel Amplifier 1 ohm stereo stable 2 ohms bridged • True Digital Circuitry • Dual Cooling Fans • HP/LP ...

new amp, only one channel working?? help! [Archive ...

www.caraudioforum.com > ... > Car Audio: Installation Help

Apr 24, 2006 - 16 posts - ‎5 authors
the next step would be to try reversing the rca cables on the amp. ... unplug one wire, the one sub that is working, gets quieter, although it is still working. as ... It'saudiobahn, of course this could happen straight from the factory.Missing: a1502dp

[PDF]True Digital Full-Range Series - Audiobahn

audiobahn.com/.../Amplifiers/A752DP-A1502DP-A2502DP-A1004DP-...
A752DP/A1502DP/A2502DP ... Audiobahn was established in 1997 with one long-term goal in mind, ... Great products and proper installation are only a small piece of the puzzle when it ... from the smallest terminal, to power wires up to 0 gauge, and 4channel RCA cables. .... exceed the total value of fuses in the amp. 1 1 .

one channel not working [Solved] - Speakers - Audio


Jan 15, 2016 | AudioBahn Car Audio & Video

2 Answers

I have two 12 inch 1200 watt kenwood excelons and i want to bridge them to the amp but i can barely turn it up with out blowing fuses


Please check the impedance of those subs. Are they 4 or 8 ohm speakers? Do they have dual voice coils? this app may not be capable of handling dual voice coil four ohms and you're trying to bring it down to a 2 ohm mono.

Dec 19, 2013 | Kenwood KAC-7201 Car Audio Amplifier

1 Answer

My Pioneer GM 5300t amplifier blows fuses all of the time. It says to have two 30 watt fuses in it and thats what i have yet they still keep on blowing. My subwoofer is a Pioneer TS-W302R Twelve-Inch


Do not continue to put new fuses into the amp until you have figured out what is causing the problem. It will only increase the chances of causing more damage to the amplifier. I have been repairing car and home amplifiers for over 18 years and have a lot of experience with Pioneer amplifiers since I work at an authorized Pioneer service center.

This post will be long, but if you bear with me and forgive my long-winded answers you may be able to determain your problem even tho I really don't have enough information to figure it out yet. If not, we can get a little closer with more information.

Does the amplifier blow the fuse as soon as you connect power to it, or as soon as a new fuse is put into the amp? If so, the amplifier has some shorted components in the power supply. They have a bank of mosfet transistors in the power supply that sometimes get shorted when the amp has been pushed beyond it's ability, or just from a random part failure, or if the impedance of the speakers is too low. Your speaker is a 4 ohm speaker, if it is at a lower impedance than 3 ohms when measured with an ohm meter then it will need to be replaced. Even if it still plays, it is too low of a load for the amplifier and will cause more current to go thru the amp than what it was designed for. If you are using more than one speaker and have them bridged it will do the same thing. This amp is rated at 4 ohms bridged and 2 ohms per channel stereo. When you connect 2 speakers together and then bridge them they become a 2 ohm load which causes double the amount of current to flow thru the amp. It was not designed for that. Sometimes you can get these component failures just because there may be a solder joint or two inside the amplifier that is cracked and not making connection very well and this can cause components to short out because they are not operating at the proper voltage.

If your amp blows the fuse only after it has been turned on by your head unit, you will most likely have a blown channel. This would require the replacement of the output transistors of the bad channel as well as a few resistors and sometimes a few other parts.

If your amp will turn on and play for a while and then blow the fuse at higher volume levels or after a long time playing the problem can be either a bad speaker at a lower impedance or one or more components that are breaking down after they get hot or at a certain volume level.

As you can tell by now there are many reasons that an amplifier can blow the fuses, and figuring out just what the cause is can sometimes be a difficult task. It may require that you have a multimeter to do some checks on the amp and a power supply to power the amp on a bench so you can do those tests.

If this information has not helped you to determain the problem, please give me as much information as you can about how you are using the amp. How many speakers, where they are connected, at what point does the amp blow the fuse, and anything else that you can think of that may or may not be important. You never know what might give a better clue, too much information is always better than too little.

Thanks and good luck,

Dave

Nov 13, 2008 | Pioneer Car Audio & Video

1 Answer

Car system


if you have dual voice coils connect on each seporate sub negative left channel to possative right channel of the subwoofer same to other sub then conect the left possative and the right neggative to your box power terminal same to other sub then conect the two sub outs on your box left speaker positive to your positive left channel bridge then conect left speaker negative to the right speaker possative then connect your right speaker negative to your right channel negative brigdeg to your amp is single coil hook the box its self up the same way to your amp i have two dual voice cooil 12" hooked up to the same amp that way and it rocks without the power protecter turning on

Nov 09, 2008 | Pyle PLA2200 Car Audio Amplifier

1 Answer

Bridging 800a4


That all depends upon whether or not the sub you are running has dual voice coils or just a single voice coil. The 800a4 is a four channel amp; thus the only way you can bridge it will be 3 channel or 2 channel. If you are running a dual voice coil sub then you can wire the amp two channel and get 400 watts x 2 @ 4 ohms. Make sure that you sub can handle this kind of power though.

Here are the specs:
4 x 100 @ 4 ohms (13.8V - <0.05% THD)
4 x 200 @ 2 ohms (13.8V - <0.10% THD)
2 x 400 @ 4 ohms bridged (13.8V - <0.10% THD)
Fuse: External 60A
Manufactured in 1999 - 2001

Jun 18, 2008 | Rockford Fosgate Punch 800a4 Car Audio...

3 Answers

Hifonics bxi 1206d


make sure you have a 40 amp fuse in it
im going to try to describe this to you
to bridge a amp this is for 2 ch AMP

+ - + -
I 2 2 I
I 2 2 I
I I 22
I I 22
I I 22
I I 22
#1 SPEAKER #2 SPEAKER
WIRE WIRE
ONE GOES ON THE POSIVE OF ONE SIDE AND THEN THE NEGATIVE OF THE OTHER
HOPE THIS MAKES SINCE
PLEASE LEAVE MY RATING

Feb 11, 2008 | Hifonics Brutus BXi 1206D Car Audio...

1 Answer

Gem Sound XP-350 both channels failed


Speaker fuses are generally fast-blow styles 250 volt glass
If an amp shuts down, with speakers connected, it sounds like one of the power supply lines does NOT like what it's "seeing" . Probably output transistors bad ( or module)

Take it to a tech.

Scott out.

Dec 02, 2007 | NAD C350 2-Channel Amplifier

2 Answers

Blowing fues


Are you sure you can put a 2 ohm load on this amp? Thats almost a complete short.

Jun 13, 2007 | Rockford Fosgate Punch 301S Car Audio...

1 Answer

Amp Problems


You are probably presenting too low an impedance load to the amplifier. In bridged mode the amp must be connected to a minimum 4-ohm load. If your subwoofer is a dual voice coil type with 4-ohm voice coils, you cannot wire the voice coils in parallel and connect it to the bridged amplifier. If you have a sub with dual 2-ohm voice coils, you can wire the voice coils in series and connect it to the amplifier in bridged mode. To connect voice coils in series: Connect a wire from the negative terminal of one coil to the positive terminal on the other coil. Connect the unused positive and negative terminals to the amplifier's output.

Mar 14, 2007 | Kenwood KAC-9152D Car Audio Amplifier

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