If it doesn’t, you can use an intermediate sheath current filter (also available in our shop) to eliminate the hum loop and the problem is solved. Disconnect the antenna cable from the receiver (if it is a receiver as source device) and check if the subwoofer is still humming. If it is a hum loop, you should check whether the hum is caused by the connection between the subwoofer and the source device or by other devices that are additionally connected to the source device. You could try a muteable wireless subwoofer which can be great solutions to integrate a subwoofer in your home. To test it reorganise the cables or use shorter cables. This can be a problem when the cables are cheap or not looked after, however, this is rarely the case. It could be that the humming is coming from the loudspeakers. If the problem persists then contact our support team, it could be a problem with the house power supply. Sometimes certain devices or charging devices can cause a humming for the subwoofer. If this tricks works, then plug the subwoofer back to the previous plug socket, but this time remove all other devices from the socket. If the problem is due to the cable or power supply start by trying to plug the subwoofer in a different power socket. However, if there is a technical problem then you need to follow these steps. Possible solution: Sheath current filter from Teufel What action to take?īy the quiet humming, you can play over you can call our support team. If the humming sound is still present, the humming loop can be excluded and the problem is likely to be mains interference or inadequately shielded cables. If the subwoofer stops humming after this step, you can be sure that a humming loop is to blame. The only way to know for sure, however, is to first pull the cinch cable out of the subwoofer input. You can try out whether the humming is amplified or minimized by changing the volume and tending to exclude one or the other point. However, you can always contact our customer service team and ask for a replacement. The first case, of an extremely low hum, not much can be done. When you subwoofer hums there are a few tests you can do. How do I find out what’s causing the hum?
You may hear the power supply because it doesn’t work as it should. Only in the first case is it probably due to the subwoofer itself.There are three possible causes for humming – and an important hint is how your subwoofer hums: Is the noise very quiet and doesn’t get louder even when the volume is turned up? Is it clearly audible and dependent on the volume? Or is it clearly audible, but independent of the volume? There is an explanation for each of these three types of interference. Ground loops and other external factors are often easy to fix. The good news first: It is probably a hum loop and is not due to a defective subwoofer.
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