Why Do Woofers Have a Hole in the Back?

Answer A woofer is a loudspeaker designed to reproduce low frequency sounds, typically down to 100 hertz (Hz). Woofers are typically large in size because they need to move large volumes of air.

Top Q&A For: Why Do Woofers Have a Hole in the Back

How to Cut a Hole in the Back of My Artcore?

Cutting or drilling into a hollow-body guitar should not be done without planning and the proper tools. Guitar bodies are what shape and pronounce the sound they produce, and drilling holes into th... Read More »

Why does my cartilage ear piercing have a bump on the back of the hole?

Ear cartilage piercings take between 3 months and a year to heal. Most people spend 6 months to a year on healing, especially if they are pierced with a gun. Lots of piercing shops at the mall will... Read More »

What should the input plug on a tv look like, the actual 'hole' in the back of the set. ?

The red curly thing is an open coil inductor. You should not be ordinarily seeing that. You need the set repaired by a technician, or use just the A/V inputs with a tuner of some sort.

My stretched ear swelled up & the hole looks smaller. Can I put my plug back in after it heals?

You may use smaller diameter plugs as otherwise the holes may get closed and you may be forced to pierce it again.