Question about Audiofonics ADF-241 Car Audio Amplifier

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I have an AudioFonics ADF-241 1000W it was originally hooked up to a 12'Kicker. The Kicker was fried, then I went an purchased another 12' Sub an now this one seems to be giving way. I would like to know what I should look at on the AMP to see why its blowing my subs

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6ya6ya
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Posted on Jan 02, 2017

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zzedly
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SOURCE: dual voice coil wiring to class d amp

The easiest way to think of wiring voice coils and subs is this:

  • Two items of the same impedance in parallel = Half of the impedance
    • 4 ohms in parallel with 4 ohms = 2 ohms
    • 8 ohms in parallel with 8 ohms = 4 ohms
  • Two items of the same impedance in series = Double the impedance
    • 4 ohms in series with 4 ohms = 8 ohms
    • 8 ohms in series with 8 ohms = 16 ohms
In this case, you want to wire two subs, each with dual 4 ohms voice coils, so that the total equals 2 ohms. Your options are:
  • DVCs in parallel, 2 subs in series = 4 ohms
  • DVCs in series, 2 subs in parallel = 4 ohms
  • DVCs in parallel, 1 sub = 2 ohms
With two, dual 4 ohm subs, you can only have 1 ohm or 4 ohm total impedance.

Posted on Mar 17, 2008

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etirbynnor
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SOURCE: audiofonics adf-241 no power all wires connected fuses ok.

Hello pimprascalz,

Many amps will go into protect mode if one of the speaker wires is shorted or grounded, or if the voice coil(s) are defective. Try disconnecting the speaker wires one at a time and see if the amp still goes into protect upon power up. Likewise, some amps will go into protect if one of the inputs is grounding out. Again, to troubleshoot, disconnect them one at a time and try the amp. Next, make sure that the amp itself is not grounding. Most amps need to be mounted to a nonconductive surface. If the case contacts the frame of the vehicle, it can cause a problem. If the problem is not in the speaker wires or the input cables, the amp case is not contacting the vehicle frame, and you have checked your power, ground and turn-on leads, then the amp itself is probably faulty.

Hope this helps.

Posted on May 19, 2009

XSdB
  • 80 Answers

SOURCE: looking for audiofonics adf-240 owners manual.

There may be a loose wire to the lights, or the power supply or amp may have a problem. Do you have the amp mounted to your sub box directly? You shouldn't. The vibrations from the bub will kill the amp in a short amount of time. If it is noticeably weaker, you should check out all aspects of the system. For instance, if you have a dual voice coil sub, is one coil open? Is one channel on the amp bad? Is half of the power supply on the amp bad? hence half the power, and no lights?

Posted on Jun 12, 2009

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1 Answer

I have a Kicker Solo-Baric, L7, 12 inch subwoofer making a scratching noise. The cone is fine but the inside is not. Can i get this repaired? Kicker said no. This is a $250-300 sub. I hate to just throw it...


The bad news is that your voice coils could be fried up, basically mechanical failure. Might as well buy a new sub because replacing a voice coil means you got to rip the whole sub apart, very complicating.

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Can i hook up my sub if it's wired to a 2 ohm and my amp is 4 ohm


Hi martineztag
You should never connect a load of an impedance less than the min the amp is able to drive. This can have disastrous consequences that may easily result in failure of the amps output stages. You need to use a different configuration that does not overload the amp in this manner for safe operation.
regards robotek

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Ummmm your sub is 100% fried!!! your voice coil melted and, got warped and the scraping noise you hear is it rubbing your pole piece. The only solution is a new sub. If its under warranty they may fix it they may not, it depends on the warranty. So Sorry dude but the sub's done...

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Does it smell funny?Smell around the top of the magnet and see if it smells like burnt plastic.If it does then the voice coils are burnt.Push down in the center of the sub if it dont move at all or has a grind the the voice coils are burnt up.Look at the lead going from the wire hook ups to the speaker cone are the intact?If not thats your problem.

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Looking for audiofonics adf-240 owners manual.


There may be a loose wire to the lights, or the power supply or amp may have a problem. Do you have the amp mounted to your sub box directly? You shouldn't. The vibrations from the bub will kill the amp in a short amount of time. If it is noticeably weaker, you should check out all aspects of the system. For instance, if you have a dual voice coil sub, is one coil open? Is one channel on the amp bad? Is half of the power supply on the amp bad? hence half the power, and no lights?

Jun 11, 2009 | Audiofonics ADF-240 Car Audio Amplifier

1 Answer

Amp goes into protection


make sure the impedance is right for the amp you're using. If you're using a 4ohm amp and a 2ohm sud that may be the problem. It may be overdriving the amplifer which is bad and can cause damage to the amp. Hope this helps.

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1 Answer

Audiofonics adf-241 no power all wires connected fuses ok.


Hello pimprascalz,

Many amps will go into protect mode if one of the speaker wires is shorted or grounded, or if the voice coil(s) are defective. Try disconnecting the speaker wires one at a time and see if the amp still goes into protect upon power up. Likewise, some amps will go into protect if one of the inputs is grounding out. Again, to troubleshoot, disconnect them one at a time and try the amp. Next, make sure that the amp itself is not grounding. Most amps need to be mounted to a nonconductive surface. If the case contacts the frame of the vehicle, it can cause a problem. If the problem is not in the speaker wires or the input cables, the amp case is not contacting the vehicle frame, and you have checked your power, ground and turn-on leads, then the amp itself is probably faulty.

Hope this helps.

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3 Answers

Kicker 750.1 Amp wont play music


it is probably the rca inputs on the amp may have fried. was your cd decked turned up loudly before the power went out? did any wires accidently touch each other? If had worked fine and then suddenly stopped, than either a wire came loose or the inputs fried. try using different cables and I also suggest disconnecting power for 24 hours and then reconnect. If the green light is on then it is getting power and the problem is in the rca cables or the inputs

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1 Answer

HELLO


IS THE OUTS ON RADIO TO AMP A SUB WOOFER OUTPUT OR A REAR OUTPUT? IF YOU CANT PLAY IN MONO (IT WOULD BE A SWITHCH ON AMP}.i WOULD RECOMEND GETTIN A EQ WITH A SUB OUT . I ALWAYS WENT WITH ALPINE.THEY MAKE A GOOD EQ,ITS A MUST FOR A GOOD SOUNDING SYSTEM

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i would go with the 801.And ithink u meant the 4501 not 4051.Both super power amps. competition stuff.your woofers are 4ohms dual voice coils.so you can series the coil on eaach woffer and use the two channels on the amp.they play at 2ohms.I think if you drop it down to 1 ohm you really be taxing you alternator that is series power.Yioou would need a special alternator.Even with them running in 2 ohms you better hav eat least a 2 farad cap.OR two batteries.. ! more thing don 't pump it up with window s closeed .you'll pop them.serious dbl. you be pumping.I'm jealous.Rating please and enjoy.

Feb 09, 2008 | Audiofonics ADF-272 Car Speaker

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