Question about AMP Car Audio & Video
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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Posted on Jan 02, 2017
Inside the Receiver there are electronic components mounted on the aluminum
heatsink ( Audio Output Power Transistors )
it may looks like these :
MN2488 ( Q753 )
and usually paired with MP1620 ( Q754 )
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:
Posted on Feb 22, 2011
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
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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