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707 Posts
Is the sub going to full extension independent of the volume?
You likely have a problem between the sub and the amp. Take a close look at the speaker wires and make sure the positive and negative wires aren't touching anywhere, particularly at the amp connections.
There are other things that can do it, such as an internal ground in the amp causing AC output or other issues.
If you can let me know what other pieces are hooked up to the system I can offer some troubleshooting ideas.
You likely have a problem between the sub and the amp. Take a close look at the speaker wires and make sure the positive and negative wires aren't touching anywhere, particularly at the amp connections.
There are other things that can do it, such as an internal ground in the amp causing AC output or other issues.
If you can let me know what other pieces are hooked up to the system I can offer some troubleshooting ideas.
