How do you fix a subwoofer that wont turn on?
Try plugging the AC power cord into a different AC outlet to make sure there is not a problem with the current outlet. Make sure the POWER switch on the active subwoofer is set to on. Depending on your subwoofer, turn the POWER SAVE switch to the off position so the active subwoofer remains on at all times.
Why did my sub just stop working?
If your subwoofer stopped working, there’s a good chance it was blown. To check, unplug the subwoofer and plug it back in. If it still doesn’t work, try switching the input from AUX to SUBWOOFER on the amp. If that doesn’t work, the subwoofer is probably blown and needs to be replaced.
Can a blown subwoofer be repaired?
Can you fix a blown subwoofer? Yes, you can fix a blown subwoofer especially when it is partially blown sub damaged cone. However, a damaged voice coil will be difficult to replace. Depending on the extent of the problem, the best solution is to purchase a new subwoofer.
How do you know if a sub is broken?
After the subwoofer is properly broken in, you’ll notice it plays deeper, with more dynamic range, and increased output. What’s physically happening to the sub is the resins in the spider pack begin to break apart and soften.
What can damage a subwoofer?
Subwoofers are most commonly blown by supplying too much signal to the car audio amplifier. Too much signal results in a “clipping” which is when audio signals voltages reach amplifier’s power supply voltages. The result is a “clipped” signal and this can damage the amplifier and subwoofer.
Can the JBL subwoofer be turned off?
Due to JBL’s unique high-output, high-efficiency amplifier design, power consumption is minimal when the subwoofer is not receiving a signal. Of course, the subwoofer can be turned off, whenever desired, if you do not wish to leave it in auto (standby) mode.
How do I know if my JBL subwoofer is blown?
You can connect 9 volt battery to the plus and minus terminals. If it moves, it is likely ok. You can check the fuse. Sometimes, they are accessed from the back of the subwoofer enclosure. Other times, the fuse is on the amplifier board. After the first test above, if it appears you amp is blown, you should contact JBL directly.
What does it mean when your subwoofer is on standby?
The sub is in standby when not receiving a signal for a while. When it senses a signal, it turns on an the noise you hear is similar to what you’d hear if you attached a speaker to an amplifier while active. Don’t know if it’s a problem, other than the irritation…
Does your JBL Northridge have a grrrrp noise on start-up?
Mluce, With a JBL Northridge E250 sub, I had the same grrrrp noise on start-up. It annoyed me, but I eventually got over it, except when the sub would kick in from stand-by in the middle of a piece of music.