How do you diagnose a subwoofer problem?
You can find out if your subwoofer is blown by listening to the sound, reviewing the movement of the woofer, and using a multimeter to find out if the coil is blown. Test the sound at a low volume to listen for whether your sub has been blown.
What do you mean by subwoofer?
What is a Subwoofer? In the words of Meghan Trainor, a subwoofer is all about that bass. It’s the speaker that delivers the lower frequencies – specifically 20-200 Hz – that a traditional two-channel or surround sound setup can’t reproduce on its own.
Can you repair a subwoofer?
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.
What is the function of subwoofer?
A subwoofer (sub) is speaker, that is dedicated to the reproduction of low-pitched audio frequencies most commonly referred to as bass. Passive Sub: Passive subs are called passive because they need to be powered by an external amplifier or Audio/Video (A/V) receiver . This is similar to traditional speakers.
How do subwoofers work?
The subwoofer amplifies the current and converts it to sound through the use of a magnetic coil that causes vibration of the driver’s cone. This vibration results in low frequency sound waves being sent out through the air.
Can subwoofers be repaired?
What can damage a subwoofer?
“Blowing” a subwoofer refers to damage inside the woofer that causes unwanted noise or no sound at all. Damage can happen suddenly or over time. Common causes of damage to woofers are clipping signals, over/under powering, and operating outside of the enclosure’s tuning.
Does subwoofer produce sound?
Subwoofers produce low-frequency sounds down to 20 Hz. Hence the name “woofer” comes from the deep, roaring sound that dogs make when they bark. While the difference between the 50 Hz threshold of most speakers and the 20 Hz threshold for subwoofers sounds trivial, the result is noticeable.
Does subwoofer produce audio?
Subs are speakers, so, yes, they will produce sound when there is something within their bandwidth to be played.
Why is a subwoofer important?
Subwoofers are important because most speakers in an audio or home theater system are not capable of reproducing all the frequencies your audio source sends to them. Without a subwoofer you’ll be missing out on some of the sound.
Why is it called a subwoofer?
The name is from the onomatopoeic English word for a dog’s bark, “woof” (in contrast to the name used for loudspeakers designed to reproduce high-frequency sounds, tweeter).
What is a subwoofer?
A low-frequency driver in an enclosure with an output extending to 40Hz and used with small satellite speakers is more properly called a woofer. You’ll also see full-range speakers with a built-in “subwoofer” powered by its own amplifier. Most of these products actually employ woofers that are simply driven by an integral power amplifier.
How to tell if a subwoofer is bad?
Start the volume low and gradually increase it to determine if the subwoofer is working correctly. Choose music test tracks that feature low-end bass content so there is no question one way or another.
Why do I need to test my subwoofer frequency response?
Sometimes a subwoofer may have significant resonance at a specific frequency range that would otherwise not be obvious from looking at a basic frequency response graph, but may be audible. These tests are a way to look for these types of issues in the time domain.
What is the history of subwoofers?
The first home audio subwoofers were developed in the 1960s to add bass response to home stereo systems. Subwoofers came into greater popular consciousness in the 1970s with the introduction of Sensurround in movies such as Earthquake, which produced loud low-frequency sounds through large subwoofers.