Question about Rockford Fosgate Punch P325.1 Car Audio Amplifier

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My Rockford fosgate p325.1 instantly powers sub to full power and does not release

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Rockford Fosgate 800a2 To 2 SVC 2ohm subs

Ok.. Bridge the two sub into 4ohm than bridge to amp.


So. this how it goes.

sub1 + -
to      | |
sub2 - +
=      4ohm
       

           From Sub
                Two
            -          +  
            |           |
amp (L) - + (R)- +


This will use the full potiental of RF 800a2 amp. I believe it like 1153 watts max out.

Posted on May 29, 2008

  • 4 Answers

SOURCE: How much would installing a headunit, amp, and subs usually cost?

hows it going so you need it to be installed or you can install this yourself? well the best bet fund to get stuff done cheap is t get the stuf you will need to do an install like a install wiring kit and tools and post a installer help on craigslist.org iin your local area would be the cheapest way or just go to your local audio stereo shop thanks again and i hoope this help have any more questions please feel free to contact me if you need a step by step install i can help you in that and save you big bucks thanks again. always forward jcbproducts

Posted on Dec 03, 2008

blueextc3221
  • 15935 Answers

SOURCE: not a problem just a question

  • 100 watts RMS x 2 at 4 ohms
  • 200 watts RMS x 2 at 2 ohms
  • 400 watts RMS x 1 at 4 ohms in bridged mode
  • stereo or bridged mono output
  • 4-ohm stable in bridged mode
  • Tri-Way capable
  • requires 8-gauge power and ground leads — wiring and hardware not included with amplifier
  • 50-250 Hz high-pass/low-pass (12 dB/octave) crossovers
  • wired remote included for fingertip control of Punch Bass (0-18 dB boost at 45 Hz)
  • MOSFET power supply and output devices
  • MEHSA mounting technology increases the heat transfer from the MOSFET output devices to the heat sink, for higher power output, lower operating temperatures, and greater reliability
  • TOPAZ — noise-killing differential inputs that eliminate 80% of ground loop noise
  • Trans•ana circuitry keeps preamp voltages low and signal paths simple for outstanding audio quality
  • NOMAD — advanced protection circuitry for "intelligent" shutdown protection
  • speaker- and preamp-level inputs
  • 11-1/8"W x 2-3/8"H x 9-7/8"D


  • Wire your sub in bridged mode (4 ohm mono)
    + to + on amplifier
    - to - on amplifier
    (using bridging terminals)

    Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

    Posted on Apr 25, 2009

    laseramp
    • 309 Answers

    SOURCE: 401s Rockford Fosgate Amp. Not powering on,just protect lite is on.

    the problem is mostly with your audio side of the amp. i have a 800 Rockford punch series amp hooked in series running at about 15 vdc at 2 ohms stable for now. but the amps left front power side transistors overloaded and smoked out, i will be replaceing my mosfets soon. Now on that side your issues apear to be related to the signal side of the amp. when you hooked the amp up tell me breifly did you hook the rca inputs to the back of the sterio and did you select the proper rca inputs for the amp? also note that amps have a potentiomater that can be tuned up or down to allow the volume or wattage to go up or down threw the system. if it's turned all the way down you'll here nothing. but often you'll get a pop sound or quickly see the speaker move a bit. this indicated the signal side of the amp has signal comming in but no output, just look for a turnable small screw inside the amp top or side. and turn up acordingly. note: to much output will damadge your system. not just the amp. ;)

    Posted on Aug 28, 2009

    • 10 Answers

    SOURCE: how do I hook up one sub to my rockford fosgate p3001 amp

    Hey i have looked over many rockford manuals,(i own a 300.1 my buddy owns a 325.1) and for there mono(.1) amps there hooked together on the inside so channel A+ and B + are cencted on the inside the amp. So you ither hook one 2ohm sub to channel A or you can hook 1 4ohm subs to channel A and 1 4ohm sub to channel B. There 2ohm stable so any lower will eventualy burn the amp out.

    Posted on Jan 19, 2010

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    2 12 p3d212 2 ohm hooking up to a rockford fosgate p325 .1 mono amplifier can it work? and how?


    Hello a_brake11,

    The P325.1 is relatively small to power a pair of P3's. You'll only get 325 watts RMS at 2 ohms (162.5 watts per sub). The P3's power range is from 100-500 watts, so they will work, but don't expect them to be really loud.

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    Hello jtkpay,

    Rockford-Fosgate claims their latest V-power 1500bd is stable to 1 ohm, and I would think that your Oldschool would also be. The 2 wiring options for 3 subs with 2 ohm dvc would give you a 1.34 ohm load and a 3 ohm load. The 1.34 ohm option would mean more watts to the subs, but the amp will run hotter. The diagrams look like this:

    67e2576.gif

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    Using just 2 of the Kickers, you can wire 3 different ways, with final impedances of 0.5 ohms, 2 ohms, or 8 ohms. You do not want the 0.5 ohm load. It's bad for the amp. You don't want the 8 ohm load. It doesn't allow the amp to produce as much power. So that leaves only the 2 ohm, with coils in series and subs in parallel. It looks like this:

    97d7e1b.gif
    Hope this helps. If it does, please rate as "FixYa".

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    if your sub will handle it, bridging it will give you more power. The best thing to do is to find out how much power the amp puts out ( RMS ) and if it is in your power handling range bridge it. It sounds better and gives you a harder punch because of more power.

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    Send me your email account and i will draw you a diagram and send it to you there. I will need to know if the ohms of each sub as well as the amp. I'll also need to know if the subs come with one or two voice coils.
    Ciza

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    Sub hook ups


    There's a lot more factors involved than that.
    • Power capability of the subs
    • Type/size of the sub box
    • Allotted space in the vehicle for the sub box
    • Voice coil impedance of the subs versus the capability of the amp
    • Etc.

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    Rockford Fosgate 800a2 To 2 SVC 2ohm subs


    Ok.. Bridge the two sub into 4ohm than bridge to amp.


    So. this how it goes.

    sub1 + -
    to      | |
    sub2 - +
    =      4ohm
           

               From Sub
                    Two
                -          +  
                |           |
    amp (L) - + (R)- +


    This will use the full potiental of RF 800a2 amp. I believe it like 1153 watts max out.

    Sep 26, 2007 | Rockford Fosgate Punch 800a2 Car Audio...

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