Question about JBL Audio Players & Recorders
My Basswave subwoofer recently stopped functioning correctly. It will turn on, but the sound is so quiet that it can only be heard if I turn off all the other speakers and put my ear right next to it. It was a gradual process, and it just started getting quieter and quieter until it got to this point..I think one (or more) of the electrical components went out (a capacitor or something), but I'm not skilled enough to do all the necessary tests. I do have some electronics experience though, and could fix it if I knew what to replace. Please help. The service manual can be found here: http://www.diysubwoofers.org/projects/other/basswave/BASSWAVE.pdf Thanks in advance to anyone who helps.
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Posted on Jan 02, 2017
Sounds like your original and this sub have bad amps. The amp for the sub is not the same as the amp for the other speakers. The old unit has a dead amp and this new one is on the way out. (Pulling too much current on high bass)
Posted on Jun 15, 2007
You had the settings set incorrectly and overdrove it. The voice coil leads are burn't open. If you look at the little flexible braids by the terminals I'll bet they are black/brown and maybe even burn't in half. It's toast.
Posted on Sep 22, 2007
There is obviously a problem on the amp board with 3 STA575 amplifiers. It may be that one of the diodes is shorted or one of the capacitors has dried up or shorted. For more information I have posted a link to a forum thread that contains all of the information you would need to fix the Gigaworks S750 system. If the information has not already been posted there then you can ask on there and the people there will point you in the right direction.
Posted on Jan 04, 2009
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