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Foam is much, much better for Subwoofers than "rubber". Not only do the new foam formulas last much longer, but they're a superior product for large excursion drivers.Nov 29, 2007
What does subwoofer foam do?
Foam is self damping and reduces its own standing waves. It is also very light and has a minimal effect on the motion of the cone. Foam can be mixed with other substances to produce different flex and strength properties.
How long does speaker foam last?
As long as you are treating them well, they should last a good 20–30 years or even longer. It is recommended to check the surrounds on the woofer, foam surrounds will rot away after 15–30 years. You can repair them yourself and keep using them. Does the quality of speakers degrade over time and use?
What is the purpose of the foam surround in a speaker?
The speaker surround serves two purposes. Firstly it supplies the returning spring force necessary for the speaker to be a harmonic oscillator. On larger speaker cones the surround works in conjunction with a spider. The spider can be found at the narrow end of the cone, near the voice coil.
When should I replace my speaker foam?
The foam edge (or surround) usually wears out after ten or twenty years. Midwest Speaker Repair can replace the surround and make your speakers sound just like new! This process is called refoaming. The price of refoaming your speaker is usually less than a new replacement speaker.
What should I put under my subwoofer?
Although many people have had this question, there is no perfect answer. While a bare hard flooring can allow the deeper subwoofer sound waves to travel further without being dampened, a carpet can help to balance the sounds in the room together better, depending on where other speakers are placed.
How do I stop my subwoofer from vibrating on the floor?
One way to decouple a sub from the floor is to place the sub on an isolation pad or platform. Typically, this is a flat piece of hard material sitting on a layer of foam, which dampens the cabinet vibrations. But isolation pads often look clunky and unattractive, and they can be expensive.
Can you damage speakers by playing them too loud?
Playing music/audio too loud may cause damage to speakers due to excess heat in the drivers or even mechanical failure of the driver suspension. Speakers have power ratings that, when exceeded (by increasing the amplifier/volume control), will burn/melt the driver coil and damage the speaker.
Do speakers sound worse over time?
In summary, speakers degrade over time. There are some components of the speaker that don't last forever. And when they wear out, they affect the speaker's sound quality. However, when a speaker degrades, that's not the end of its life.