Question about Rockford Fosgate Punch 301S Car Audio Amplifier

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Bridged or not?

Whats the differance between running my amp bridged or not?

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Depends on how you have your system set up,End what type of amp you are useing. How many speakers are in your system, Is it a 2 or 4 channel amp.?

Posted on Oct 28, 2012

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1 Answer

How to bridge an amp to one sub


Left positive and right Negative will bridge the amp. What ohm is that woofer?

Mar 23, 2014 | Pioneer GM-X524 Car Audio Amplifier

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I have a kenwood KR-V8080 and i had 4 subwoofers hooked up to it. then one day it jus shut off an smoked a little. now when i turn it on an try an hook up speakers it sparks an the speaker pops. i dont kno...


You blew the amp. If you were running 4 subwoofers off of a dual channel amp you most likely running them bridged off of two different outputs. You most likely blew the resistor and because it was pushing more power then it could handle. Also when you bridge speakers it brings down the impedance which allows for the more power to course through. Suggestion is to buy a new amp that can handle 4 subs or 2 different amps for both sets.

Sep 13, 2012 | Car Audio & Video

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Hifonics colossus-ltd dual monoblock amp does not have much output, running a cerwin vega stroker dual 2 ohm sub wired 4 ohm load bridged


Bridge at 4ohms your only getting 600watts rms. You will need to bridge at 1ohm (parallel) and adjust the gain accordingly. This will give it 1600 watts rms. If you would of had a dual 4ohm sub, then you could of bridged it at 2ohms mono, but you can't you have to go either 1 ohm or 4ohm. I believe it's not getting enough power.

May 20, 2012 | Hifonics Colossus-ltd Dual Monoblock 3200w...

1 Answer

How do I wire up my 4subs in bridged to my peace 2600


Hi,

Please state the subs impedance, but assuming 4 subs with 8Ohm Voice Coil you CAN'T run them in parallel in Bridge Mono because this amp's minimum impedance is 4Ohm in bridge and 2Ohm stereo, maybe a series/parallel connection work, but what's the advantage to run them in Bridge mode? This amp delivers 900W per channel at 4Ohm, you can run a pair paralleled for each channel in a safe way and without the high-risk of your amp being destroyed, besides, amp power at 4Ohm Bridged is NOT recommended for continuous use, let me know your results...

May 13, 2012 | Peavey Pv 2600 Power Amplifier

1 Answer

Hi there i have just purchased two newer model type r alpine subs and a week ago i got a great deal on a rockford fosgate 800 a2 amplifier. The amp has two outputs and don't know exactly what ohms are at...


if you bridge it i believe you run at 4 ohms instead of 8 even if the subs are wired together i would not bridge it for fear of blowing the subs. if you where to bridge it it would be the left channel on one terminal and the right on the opposite terminal. but i highly advise against bridging it as they are wired together. its running at the proper impedence NOT bridged.

Mar 14, 2011 | Car Audio & Video

1 Answer

Installing two amps


No, thats what you don't what to do. Even if you have 2 matching amps you don't do that. Every amp puts out different, and for 2 subs, you want to play at the the same time. If your only running 2 10's, I personal would just run the alpine (it's a mono amp made especially for subs) thats plenty for what you have. make sure you bridge them to get the full response. And your other amp i would use for your highs or mids, but run it @ stereo , which is 300 w @ 4 ohms. (Note: 600w @ 2ohms would be bridged and would play in Mono)

Building Competition stereo's is a big hobby of mine.

May 04, 2009 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

1 Answer

Kole amp in protect mode?


Are you setting the bridge switch for both left and right or are you trying to run both subs off of one set of terminals? If you running the subs off one set of terminals you are effectively running the amp below 2ohms and thus the amp is not 2ohm stable and you will destroy it.

Some amps actually all ready run a bridged output for left/right operation, this could also be the reason why the protection circuit is kicking on.

Either way it's a component mismatch and you either need a stronger amp or different subwoofer setup.

Mar 09, 2009 | Kole audio Nitric XP2-2000 Car Amp

1 Answer

One channel of the amplifier seems to cut out


I see now how it could have happened to both amps. Yes, this triple speaker combo will cause this problem.

Next time if you want to run speakers like that, instead of parallelling them, series them.
That way the load is balanced between the speakers.

Here is a great primer, dont worry about the calculations and mumbo jumbo, the pictures should tell you what you need to know to get it done.

http://www.termpro.com/articles/spkrz.html


also when you talk about bridge, that is usually done on the amp rather than the speaker. For example I could have a 4 channel amp, and bridge it to 2 by combining the channels, BEWARE not just parrallell again, there will be a specific order for each different amp and it will be marked.
You can also bridge a two channel amp to make one Single channel amp with almost double the power, but again only to one channel, now that its bridged.

Hope that helps once again. I'm going to look up that amp, if you want more specifics.

Charles

Jan 09, 2009 | Onkyo Audio Players & Recorders

2 Answers

Bridge subwoofers


Without looking up the individual specs of your speaker and amp, I'll offer a few basics when it comes to bridging an amp.
Most important...find out what impedance (ohm) that your amp can handle bridged!! If you go below this rating, you will run the risk and most likely eventually overheat and short circuit the amp. You must also know the impedance of your sub (which can come in a variety) to be able to match them. Depending on this impedance match-up, it may be less beneficial to bridge the speaker to this amp. For example if there is an impedance mismatch you'll either get less power from the amp or short circuit the amp. If you know these I can help you come up with the best solution.
If you know bridging is the best option, then you'll have to know which terminals on the amp to use in order to bridge. This is how it normally works. On a 2 channel amp...you would normally take the positive from one channel to the positive on the speaker, and the negative from the OTHER channel to the negative on the speaker...and this is how you bridge the amp. The other two channels would remain UNCONNECTED. BUT!!! you have to make sure you use the correct 2 channels...it varies from manufacturer. But take heed not overload the amp...and not to overpower the sub. There are a few different ways that you can configure the subs if you find it beneficial to bridge your amp, these would take long to explain and would depend on the impedance of your subs and specs of your amp...these wiring configurations is how you match the impedance of the speakers input to the amps output (and is very important to do correctly) Look up "parallel and series" wiring configurations. Let me know if this helps, or if you need further help. Find out the impedance of your subs and the specs of your amp and i'll be able to assist you more. Hope this helps.

Mar 27, 2008 | Car Audio & Video

1 Answer

Alpine mrp-350 amp


1) If you bridge on a non bridged amp your sound will be horrible as they sine waves comming out of the two teminals will be different... I suggest removing the bridge. 2) The gain knob is to adjust when the amp will reach its max volume with respect to the sterio;s volume. 3) the LP filter is a Low Pass filter and its purpose is to eliminate the higher frequencies that do not sound all the well when played over subwoofers.

Feb 18, 2007 | Alpine MRP-M350 Car Audio Amplifier

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