Question about Alpine MRD-M605 Car Audio Amplifier

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Hi my name is David i have a 900 watt punch amp in

Hi my name is David i have a 900 watt punch amp how can i fix it from clipping all the time when i put the volume at 15 it clips on and off. im pushing 2 6/9 and 2- 6in speakers thank u for ur time

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Hi, If you mean clipping on/off to be cutting out, then there are a few causes for this.
1) overloading the output circuits.
2) speaker wires shorting to earth/each other.

Try running 1 set of speakers at a time.

P.S. giving us a little more information will help profusely i.e amplifier capabilities, how you have the speakers connected. etc.

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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Hi, I was trying to replace my subs and during the process, the positive wire touched the negative wire and my amp turned off. I have the Punch 801s 2400 watt amp. Is there a way to reset it? I'm assuming...


Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. Your amp is clipping. A thumbs up would be greatly appreciated if this answer is helpful to you. GOD BLESS YOU.

trying-replace-subs-during-peeu4x5nsxvd53n2rwetiqa4-3-0_0.jpg

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1 Answer

AC surge current?


you are missing the voltage supply here to get an definitive answer
for 240 volts drawing 4.8 amps the required wattage is 1152
for 120 volts the wattage is 576 watts
for 120 volts with a current of 900 watts , it equates to 7.5 amps
with 240 volts with a current of 1150 watts , it equates to 4.79 amps
so you can see the problem by not stating the supply voltage
get access to an cable clamp amp meter / watt meter from an electrician and read the current on starting the ac unit
if it exceeds 900 watts for 120 volts or 1150 for 240 volts , consider a bigger generator

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I have a Punch 800a2 amp and tommorrow im getting the Polk Audio db1222. so my question is do i need a different amp or should this be sufficiant. 12" 2 Ohm db Series Subwoofer Power Handling: Peak:...


Not sure if you are getting two subs or single?

Anyways, amp is rated at 800 watts and probably under rated so it will push sub. Remember that you don't need to worry about max power, rather focus on RMS power rating.

Jan 13, 2011 | Rockford Fosgate Punch 800a2 Car Audio...

2 Answers

Need to know how many ohms this amp is


Safe down to 2 ohms, NOT a 1 ohm stable amp, it will be pushing it hard even at 2ohms but Fosgate's should be able to handle it providing that the install and all cables,wire,connections,etc. are sanitary!
Good Luck !

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1 Answer

I have a behringer 1500 watts amp that is clipping


What is happening is that your amp can deliver 1500 Watts at a given impedance. The Sub PROBABLY is a higher impedance. Your amp runs out of voltage due to the speaker impedance, hence it "flat tops" or clips.

You will probably find the sub is 8 ohms and your amp might deliver 1500 Watts on a 2 ohm system (this is "specsmanship" to sell their product... more is better thing...

If your amp was as above, the max voltage output would be the same before clipping but with the resistance 4 times, the current is only one fourth that which would deliver 1500 Watts. So you would only get 1500/4 Watts into the speaker or about 375 Watts.

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My amplifier is a t3002 keeps burning the fuses


I have a 900 watt punch that wont keep any fuse i put in it and need help badd! Its not my wirering cuz i have another amp in there now but its nothing even close to my baby!

May 24, 2009 | Rockford Fosgate Power T3002 Car Audio...

1 Answer

Speaker amplifier calculation


for $85 i can sell you an Almani 900 watt 2 channel amp i would stay way away from those 3 brands they are all really poor quality and i can get you any major name brand cheaper.
I can get you a hifonics 4008 amp (800 watts peak 100 watts per channel rms) for $100 shipped with full factory warranty. you find an amp you like and i will get you a price. I am a factory wholesale distributor for most brands.

Jan 08, 2009 | Legacy 2 Channel 1600 Watt Bridgeable...

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