Question about JBL - MR4W Am/Fm with CD Player White
How easy is it to blow JBL speakers? My speaker up front is working but sounds blown, however neither of my rear speakers in the boat (left or right) side seem to be working. Sometimes the right side speaker comes on, but sounds blown, however the left isn't working at all. Could it possibly be the radio? Even if the left side was blown wouldn't it still work? Any help would be greatly appreciated. Thanks
Any speaker, if abused, can be blown. And if overdriven with dirty power at extreme levels it is not uncommon to burn out the voice coil. You might also want to check out the speaker surrounds. If they go, the speaker works but sounds lousy.
Localize the problem by hooking up two known good working speakers and see what happens. If they also do not work properly or sound like cr-p then the radio is at issue.
Posted on Jul 24, 2017
SOURCE: JBL Pro Computer Speakers....
I believe your old sound card may be of higher quality than your new one, I had the same problem years ago what I did was this, I ran my speakers through an old dedicated dubbing cassette player out of an old kenwood stack stereo then into the computer, the cassette has a mild adjustable preamp when in record, you will have to put the deck on record the rest of the time with a blank tape- any old cassete deck will work.(thrift store) and your going to need a couple parts from radio shack. If you have the know how I suggest switching the audio cards out, drivers etc and / or seeing if you can have them both plugged in without an issue. If issue then try cassette then call and complain to the computer company for installing sub standard equipment.
computer audio output-> line in cassette->line out cassette-> line to speaker input
Posted on Jul 26, 2008
yes u will need to chandge input jack from mono to stero radio shack $4 part u need y headphone splitter this should fix ur problem
Posted on Aug 08, 2009
I know this is old but just incase anyone has the same problem. Its proabably the connection from back panel to the internal amp (Inside the sub enclosure). The ribbon cable has the + for the left speaker right at the edge with quite a bit of tension. Over time and with the vibrations from the sub this will bend/pull out slightly and needs to be pushed back on and some hot glue put around the connection to hold it in place.
Thats how I fixed mine anyway.
Posted on Feb 22, 2010
Too late to resolve the original poster's worries, I can assume, but I arrived here when searching on account of the same problem and resolved it. This is going to sound implausibly condescending, I'm afraid (and excuse th elack of technical terminology!)...
I couldn't get my left speaker to work exactly as above, but then looked carefully at the shape of the respective cables leading to the sub. You have to fit the triangle shape of the lead into the triangular shape of the hole. The speaker CAN be connected what *feels* like correctly, but is in fact connected incorrectly (ie, not all the way in).
This is more a problem with the left speaker than the right since it's a triangle and the right is a square, and can be a little fiddly.
Anyone else experiencing the same problem should probably take a quick moment just to check this isn't it! :)
Posted on Feb 26, 2010
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