A friend of mine has a Kenwood SW-35HT subwoofer. It quit working, now it just kind of hums a distorted noise when plugged into a 7.1 system (replacing a working sub). It's a write-off project at this point, so I'm willing to take out screws and look around in there - just would like some ideas on what to look for and where to get parts, if needed.
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Hey there!!! I fixed my own problem. Can't or shouldn't plug into the same outlet as the rest of the audio equipment. Moved the plugs around and.....BINGO!!! No more humming!!
If the subwoofer is plugged into its own outlet, plug the subwoofer's power cord into an outlet shared by the other components. Use an extension cord if necessary.
If the hum persists, and your system includes a cable TV, disconnect the cable line. If the hum stops, install an isolation transformer on the cable.
If the hum persists, disconnect the remaining component cables one at a time until the hum stops. Install a coaxial isolation transformer on that cable.
If the hum persists, install a line-level ground loop isolator on the subwoofer's line-level feed cable. This usually solves most hum problems.
If nothing helps, disconnect all the audio cables from the subwoofer. Leave the subwoofer plugged in and switched on. If the subwoofer hums, it points to a defective unit. Contact the company's customer service to technical support.
Do you mean the Kenwood SW-200 subwoofer or the SW-200 power meter? The subwoofer can use 50W RMS at 4 Ohms. It's rated at 60W. The power meter reads in two ranges: 20W and 200W.
I hope this helps. If you are looking at a different Kenwood product, please clarify which product you have. I can't find a SW 200 receiver from Kenwood.
I suppose you could, but you are talking about a driver (speaker) that was not designed for that cabinet size and amplifier used in the Kenwood, There are differences in speaker design besides power rating and impedance.
on the back of your receiver is a subwoofer pre-out, connect one cable here, and connect the other end of this cable to your subwoofer - line level in. (depends on your subwoofer and receiver) but that's how mine is connected. yours will be similar.
check the heatsink, touch it with your finger feel it ,if you can hold it with in 15 sec, then your power amp. component might be working if not then probably you Power Amplifier IC or transistor is shorted.
"Sub-woofer output not working" problem, and notify you when a new solution is offered. Press the setup key on the front of the receiver Select the subw setting Move the multicontrol knob until the sub woofer is on Turn off the receiver and turn back on- the subwoofer should be on The operator manual can be downloaded on the web site--- free http://www.retrevo.com/support/Kenwood-VR-507-Receivers-manual/id/480ag219/t/2/
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