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Posted on Jan 02, 2017
SOURCE: Subwoofer issues
The fuse blows when the current that passes through it are beyond its rating. This could be brought about by excessive consumption of the load, in this case the amplifier powering the sub-woofer.
Repairs would involve component level and require that you be familiar with electronic components and circuitry, use of a DVM and a soldering iron. Often it is just the finals that needs to be replaced. Of course we cannot discount the possibility of other components or section such as the power supply.
The smoke indicates something heating up such as a resistor or diode or a capacitor.
Should you be uncomfortable opening the unit and doing a DIY (do-it-yourself), then perhaps you need to seek the services of a qualified professional.
Should the downtime and cost of repair be no longer economically reasonable, purchase of a new unit might save you further trouble.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
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Posted on Feb 23, 2008
SOURCE: fuse blows
Presuming you're referring to the circuit breaker in your house, it's probably because you have too many items on that circuit. Your best bet would be to find another power outlet that is on a different circuit, and plug some things in over there.
Posted on Jun 19, 2008
SOURCE: fuse on subwoofer keeps blowing
Subwoofers draw a tremendous amount of power. With the amount of heat generated by amperage flow and the movement of the voice coil, you may have burned out the coil. Do a resistance check across the coil. Easy check? Temporarily attach another speaker to replace that one. Use LOW VOLUME and slowly work the vol up,and, if the fuse does not blow, it's the other speaker.
Posted on Mar 10, 2009
if you have access to a multimeter, you should test you impedance (ohms)
Ω, check to make sure the speakers reads higher than the amplifier needs; this will result in less strain on your amp and diminishement of sound...For example: if you connect two 4Ω
speakers in series it results an 8Ω circuit (least strain). and if you'd take the same two speakers and connect them in parralelle it would result in a 2Ω circuit (most strain).
Posted on Jul 24, 2009
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