Question about Rockford Fosgate Punch 500a2 Car Audio Amplifier
Posted by Anonymous on
TO DEVELOP FULL POWER, THE AMPLIFIER REQUIRES EITHER 2 OHMS PER CHANNEL WHEN UNBRIDGED OR YOU CAN BRIDGE IT, BUT THE TOTAL LOAD MUST NOT BE BELOW 4 OHMS TOTAL. NOW I CAN TELL YOU THAT THESE ARE SOME VERY FORGIVING AMPS WHEN BROUGHT BELOW 4 OHMS BUT IT REQUIRES MUCH RESPONSIBILITY IN KNOWING THE LIMITS. SOMETIMES WHEN CONNECTING 3, 8-OHM DRIVERS IN PARALLEL FOR A TOTAL OF 2.66 OHMS, THEY WILL RUN ALL DAY, BUT IT IS MORE OF A CHANCE TO TAKE WHEN GOING TO 2 OR EVER WORSE, 1 OHM. EVEN IF IT SURVIVES, IT WILL OVERHEAT QUICKLY. FOR LONGEVITY, I WOULD STAY AT 4 OHMS BRIDGED. YOU WILL GET THE OUTPUT THAT IT WAS DESIGNED TO PROVIDE AND IT WILL LAST FOREVER. OK. HOPE THIS HELPS......V
Posted on Dec 24, 2016
Yes, if you add a 1 ohm resistor to the negative terminal of speaker.
Posted on Aug 26, 2016
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Posted on Jan 02, 2017
SOURCE: Rockford Fosgate 501bd question
that amp should work fine with those speakers,just make sure that they(speakers)are wired for 2 ohms.at 500-600watts coming from amp, you should be getting 250-300 watts per speaker,just dont crank your gain too high on the amp.
Posted on Sep 01, 2007
Ok.. Bridge the two sub into 4ohm than bridge to amp.
So. this how it goes.
sub1 + -
to | |
sub2 - +
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
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.
For best power, your subs should be wired with the voice coils in series and then the 2 subs paralleled to the amp resulting in a 2 ohm load.
Hope this helps.
Posted on Aug 26, 2009
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