How do you know if your subwoofer is blown?
If the cone is rigid or locked in place, the subwoofer is definitely blown. Even if the cone moves, listen for scratching noises and be sensitive to any movements that are too loose or sluggish, as they may all be signs of a worn suspension.
Why is there no sound coming from my subwoofer?
Depending on the audio source, the low frequency effect (LFE) signal may not be sent to your subwoofer. When LFE signal is present, the LFE indicator light will illuminate. NOTE: Many TV channels are only broadcast in two-channel audio and do not send this signal. In this case, set the sound field setting to A.F.D. AUTO or a another sound field.
Can a pre amp be plugged into a subwoofer?
Hook up the surround sound speakers to the speaker jacks on the receiver. If you have a powered subwoofer, you can plug the Sub Pre out to it. If you only have passive, then you will have to get some way to amplify the sub preout signal (another amp, or a powered subwoofer).
How can I tell if my Sony subwoofer is still on?
In this case, set the sound field setting to A.F.D. AUTO or a another sound field. Sony® receivers will send a simulated LFE signal to the subwoofer and the SW indicator will light up. Verify the subwoofer power cord is plugged into an active AC outlet and that the subwoofer is powered on.
Can a subwoofer have a bad power suppply?
@falita without having a proper schematic etc. but by looking at the board, I’d replace the 3 caps and 1 resistor for sure. This could just be normal for this board but it sure looks like some electrolytic residue from a bad cap. Once you replaced those, reevaluate. Yes, it is okay to go with higher values, just never lower.
How to troubleshoot no sound coming from an Active Subwoofer?
A separate article about the difference between an active subwoofer and a passive subwoofer is available. Select Settings. Select Speaker. Select Speaker SP. Make sure that the Speaker pattern ends in either a .1 or .2. NOTE: If a pattern that ends in .0 is selected, the subwoofer will not work.
Can a subwoofer be connected to a preamp?
In spite of the name, a ‘subwoofer out’ isn’t the best way to connect a subwoofer to a quality music system. The preferred method works even if a preamp doesn’t have special subwoofer or preamp outputs, however, you do need a subwoofer that can accept a “high level” (also called “speaker level”) input.
In this case, set the sound field setting to A.F.D. AUTO or a another sound field. Sony® receivers will send a simulated LFE signal to the subwoofer and the SW indicator will light up. Verify the subwoofer power cord is plugged into an active AC outlet and that the subwoofer is powered on.
Why does my subwoofer amplifier refuse to work?
A bit of background: I sent her my old subwoofer and amplifier because her setup stopped working awhile back, and she was unable to take her old sub+amp up to Tennessee when she moved anyway. So, I shipped her my sub+amp in “known good” condition, and my amp just flat-out refused to work.