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Will a bad amp make some of the speakers sound like they are blown or bad

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  • AMP Master
  • 27,262 Answers

Normally, bad speakers make speakers sound bad. Perhaps the polarity of the speakers wires is incorrect?
You say 'some of the speakers. You have lots? Swap them around, if a good speaker sounds bad where the bad speaker was, then it is the signal. if the speaker sounds bad where the good speaker was, then it is the speaker.

Posted on Sep 21, 2018

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SOURCE:

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Posted on Jan 02, 2017

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palaboy
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SOURCE: Sony STR-DE197 AM-FM Receiver. Has

Inside the Receiver there are electronic components mounted on the aluminum

heatsink ( Audio Output Power Transistors )



it may looks like these :



MN2488 ( Q753 )


palaboy_78.jpg



and usually paired with MP1620 ( Q754 )


palaboy_79.jpg



You may have to check on those two pairs of power transistors

and replace in pairs.


( which means if any of the two is bad , have them both replaced )




Check also the audio signal on the right channel input , if it

is on the same level of those of the left channel.



These components are available at:

http://www.mcmelectronics.com/product/DISTRIBUTED-BY-MCM-/MN2488

Posted on Feb 22, 2011

  • 6705 Answers

SOURCE: speakers have a crackle in the sound also rear speakers not working

can mean several things. The crackle is subjective and can mean distortion. Distortion most of the time comes out of the amplifier. Could be you have blown a capacitor in the power supply of the amplifier, making it work with quasi half the voltage. There is no need to change the polarity on a speaker, because when one is not working infuse, it won't distort the music. You only could have difficulty with the stereo sound. It could be a bit unclear where the sound is coming from and could sound a little less powerful.Check the speakers on a different amplifier, to hear if I'm right. Only if you switched on sound while the amp was giving full power, you could have blown the speakers, but most of the time they don't give any noise after that.

Posted on Jan 16, 2015

  • 274 Answers

SOURCE: I have a pioneer 2din deck and it sounds bad. it sounds like the speakers are blown and makes a crackling sound. I have replaced the speakers and it still sounds bad. I don't even have a amp

Make sure the positive and negative wires for the speakers are correctly(not reversed) and securely attached to the mounted speakers and the speaker outlet wires on the deck

Posted on Jan 17, 2015

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2 Answers

I have a pioneer 2din deck and it sounds bad. it sounds like the speakers are blown and makes a crackling sound. I have replaced the speakers and it still sounds bad. I don't even have a amp


Make sure the positive and negative wires for the speakers are correctly(not reversed) and securely attached to the mounted speakers and the speaker outlet wires on the deck

Jan 16, 2015 | 2000 Ford Ranger SuperCab

1 Answer

What would make speakers sound bad from a CD Changer?


It could be the cd changer is over driving the amp. IF you don't have the right input and output impedence then it sounds bad because the amp clips the signal.

Aug 02, 2014 | Pioneer Car Audio & Video

1 Answer

2005 745i front passenger side speaker making a cracking sound


Either the speaker is blown (most likely) or there is a loose connection to the speaker, or the amp is bad. The connections to the speaker are pretty tight and it's unlikely it came loose unless you recently had some work done near the head unit or the radio, and if the amp works well for all other speakers it's probably OK. Unfortunately you can't fix a blown speaker but you can replace it and you can find a new one online for less than $100

Feb 19, 2013 | 2005 BMW 745Li Automatic

1 Answer

Bose radio comes on but no sound in my 2004 chevy avalanche.Sometimes even with radio off you hear a popping sound come from speakers. thanks


First Visually check all your fuses. Does rig have amp for stereo by any chance? It sounds like amp is bad and/or fuse is blown. Amp is wired between radio and speakers, and a shorted amp would make crackling in speakers when radio is OFF

Feb 26, 2011 | 2004 Chevrolet Avalanche

1 Answer

Marshall VS65R is powered up it hums


Blown speaker NO (would not get sound at all)

Bad Reverb UNLIKELY (controls would deselect reverb and it would be out of circuit)

Bad preamp tube NO (controls have no effect)

Bad rectifier and/or filter caps LIKELY

Bad power amp POSSIBLE

Nov 29, 2009 | Marshall Mg50dfx 50-Watt Combo Guitar...

1 Answer

Jensen vm9411 has no sound from radio hookups put rca wires have sound


If the previous radio played all the speakers and the new one wont either:
1. You have not hooked the speakers up right.
2. All your speakers are blown.
3. There is a factory amp, you just don't know about it.
4. The radio has blown final outputs.
5. One or more speakers or speaker wires is seeing a ground (shorted out)

First check the radio, hook up a know good test speaker directly to the speaker outputs on the radio. If it works, then take a 9volt battery and try to pop the inside speakers with it. When you touch the + & - speaker wires to the battery + &- you should hear a pop at the speaker. If you do you don't have an amp. If you don't you might have an amp or the wire going to the speaker is dead or shorted out. It is unlikely that all four speakers would be bad or have bad wires. If none of them will pop you need to turn on the factory amp. Then they will play. If only one speaker wont pop then that is the bad speaker. If they all pop then you have a bad speaker or wire.

Dec 18, 2008 | Car Audio & Video

1 Answer

I just bought some pioneer ts-w305c subs from some guy in canada and one of them is sounds distorted< when barely playin it buzzes can u help me?


This could be either the speaker that is blown and making the noise or part of the amplifier being smoked causing distortion that sounds like a blown speaker. WIthout taking it apart and looking at waveforms on an oscilloscope, I can't tell you which is the problem. I'd ask a local shop to test it for you or if you can, exchange the actual speakers between the two. IF the problem stays with the bad box, the problem is with the amp, if the good speaker works OK in the "bad box" then the speaker is blown.

Keep us posted.
Dan

Sep 05, 2008 | Pioneer Audio Players & Recorders

1 Answer

I was playing guitar through my fender 85 amp and the volume suddenly cut out to almost nothing and I couldn't make it loud again?


The speaker could be blown. Try touching a 9volt battery to the terminals on the speaker. If the speaker makes a popping sound its not blown. The other culprit could be the input jack of the amp. If its soldered directly to the board. The retaining nut may have come loose and the jack wiggle around with the cord tension. resulting in a solder connection breaking at the board. But that usualy will give a ground hum or no sound at all. So im leaning towards a blown speaker. (providing its a solid state amp) If it's a tube amp. it could be that one or more of the power tubes are bad or have a vacuum leak and may need to be replaced. ( you have to replace all the power tubes at the same time and have the amp biased.

Aug 19, 2008 | Audio Players & Recorders

2 Answers

Sony Xplod 1200w


Either the speaker is shorted out (blown), or the output transistors in the amplifier are bad. Try hooking up another speaker to the amp. If it plays, the amp is good. If not, then the amp is bad.

May 22, 2008 | Sony XM-1252GTR Car Audio Amplifier

1 Answer

Sound


Did u have audio before ? If so you might have a blow audio amp. If not it might just be a unplugged cable. This model of tv is bad about bad audio problems mainly a blown speaker and blown audio amp.

Dec 14, 2007 | Philips 42PFL5332D 42 in. LCD Television

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