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Hifonis BXI 1606D with missing Mosfets. I received a blown amplifier but the mosfets were already taken you. I am seeking helk in finding the right Mosfets for this amp both output and power fets

There are two output fets on the board labelled IRF3710 they seem to have never been removed. Thanks in advance

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6 Suggested Answers

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Posted on Jan 02, 2017

Duncan
  • 218 Answers

SOURCE: Blown car amp repair (Lanzar Opti 150 stereo bridgeable car amp)

Make sure your speaker load is correct before you blow your amp again after repairing it. I suspect that is why it keeps on blowing.

Posted on Jan 18, 2008

fixyathing
  • 341 Answers

SOURCE: blown resistior in a hifonics brutus bxi 1606d

If you can point it to me in the schematic diagram I might be able to help you. But I suggest you bring it to a qualified audio electronic technician if you still value it. cheers!

Posted on Oct 17, 2008

  • 1 Answer

SOURCE: when i hook up power sparks mosfets get hot real

i removed the output transistors then powerd up the amp they dident get hot
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Posted on Mar 29, 2009

  • 113 Answers

SOURCE: My jcpower car amplifier is not sound come out

you are probably getting a high voltage jump when you turn it up which will throw the amp into protect mode the only thing I can think of is trying a voltage regulator for your stereo

Posted on Jul 05, 2009

  • 506 Answers

SOURCE: need mosfets for hifonics amp sfp50n06

That is a Semiwell part I believe. It is an N-Channel power mosfet. Go look on their website they may have an alternate part you can use.


Posted on Dec 20, 2009

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Your amplifier is having a serious fault within preventing further damage to the amplifier. If could be a failure of the output mosfets, failure of the predriver, failure of the bias to the output mosfets, short inthe speakers- check this out- fault inthe error amp section for wrong current indiication or malfunctions in the mother board. All of this will need careful location of the fault by checking ont these stages. Porceed only if you are competent or seek help. Good day

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If you have'nt fixed your amp by now I thought I'd tell ya a couple of things why it's going into protect. The basics. Blown subs, bad power suply or mosfets, and blown output transistors/mosfets. Still need help let me know. I repair amps for a living and i'm the cheapest you'll find and honest. I also give the longest warranty. I'm tired of other people rippin people off on repairs. Let me know.

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That is a Semiwell part I believe. It is an N-Channel power mosfet. Go look on their website they may have an alternate part you can use.


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Unit blows the fuse on power up. This happened after it was working fine at low level, next power up the fuse blows. Checked large 5600uf caps are ok, removed the four 0N05HD MOSFETS and fuse does not...


Hiya try
http://www.icpowerx.com for the Mosfets, you will probably need to replace driver transistors also (not always but sometimes they go). Also check the resistors to output, they will be the big white ones.
Go here to read on testing FETs
http://www.4qdtec.com/mostest.html
Just to be sure. If one is blown, replace all

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you could just take some out of some other electronics because all they do is reproduce sound so there is litteraly no power going through

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Well i sounds like your amp is shot. Or you have the subs wired incorrectly to the amp. Each amp is different in stability with ohm loads and each amp performs differently at each load. Sounds like it was wired at the wrong ohm load in the past or it came defective from factory. Definately send it back if u just got it.

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Trying to find the right FET to replace burnt up ones with


hafler use international rectifier hexfets. there is alot of confusion what constitutes a mosfet amplifier.
if the outputs are mosfets instead of bipolar transistors, it is a mosfet amp.
some designs are using mosfets to drive the switch mode power supply,but use bipolar output transistors.that is not a true mosfet amp.
you need to go to an electronic supplier for the repair industry.
or the manufacturers warranty depot,who will be able to order them.mosfets are very high current devices,you have to ask ...why did they fail. if they are the switch mode drivers,there is bad capacitors in that circuit

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it may be a wiring problem you need to make sure all the speaker positives and negatives are correct. I sell alot of hifonics amps and have never had 1 do that. it may also be a bad rca cable. if it only does it when you use the filter i would say not to use it also make sure the gain is no more than 3/4 turned up and the bass boost no more than 1/2. if you have a dif amp try a temp setup using it and if it still does it its a wiring issue. also try 1 speaker at a time on the hifonics and keep adding 1 till it comes back it may be a bad voice coil on 1 sub .

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its better to change them all. than to change 1 or 2 mosfets, bcuz simetimes it affects the other mosfets. and please check your speaker or maybe there is an resistor, capacitors, or a relay malfunctioning in that area.

Jan 18, 2008 | Car Audio & Video

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If I were a guessing man, I'd guess that you had your amp hooked up in a bridged configuration. And also that you connected your two speakers in parallel (plus to plus and minus to minus). And if I were to further guess, I'd guess that you have a blown amp now because of what I mentioned above. Sounds like you need to spend some quality time with your favorite electronic repair shop. Good luck.

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