Many factory equipped electric acoustic guitars have a preamp installed on the rim of the guitar giving the performing guitarist control of their sound at their fingertips. But few owners of vintage or boutique guitars are willing to perform such modifications to their expensive instruments. Hence, the internally mounted pre-amp and the inside the soundhole controls were born.
The jaw is a powerful player in singing. Betcha didn’t know that most people can generate a minimum of one hundred and fifty pounds of force between their teeth with the world record for human bite strength being 965 pounds. The muscle in charge is the masseter muscle which is located on the sides of your face.