Description
A guitar that produces sound acoustically ”by transmitting the vibration of the strings to the air. The sound waves from the strings of guitar resonate through the guitar’s body, creating sound. This typically involves the use of a sound board and a sound box to strengthen the vibrations of the strings. Whole body of this guitar is made of wood.The acoustic guitar’s soundboard, or top, also has a strong effect on the loudness of the guitar. Woods that are good at transmitting sound, like spruce, are commonly used for the soundboard. No amplification actually occurs in this process, because no external energy is added to increase the loudness of the sound (as would be the case with an electronic amplifier). All the energy is provided by the plucking of the string. But without a soundboard, the string would just “cut” through the air without actually moving it much. The soundboard increases the surface of the vibrating area in a process called mechanical impedance matching. The soundboard can move the air much more easily than the string alone, because it is large and flat. This increases the entire system’s energy transfer efficiency, and a much louder sound is emitted.
