Guitar amplifiers work by transferring the signal from your guitar strings into an amplifier, which resonates into sound. There are four stages of this process, which include signal input, modulation, amplification and output.
Input: The guitar amplification process begins at the input stage. This is where the sound originates, which, in this case happens when you strum the guitar strings. To get this sound to the amplifier, you simply attach a cable that runs from the guitar into the amplifier.
Signal Modulation: The second part of the amplification process is known as signal modulation. This happens when an electrical signal from the guitar enters the amplifier gets processed and is amplified so it is recognizable to the human ear as a musical note. A piece of the amplifier known as the on-board equalizer allows you to control the tone of the signal, so you can adjust your sound to the style of music you want to play.
Signal Amplification: The third stage of the amplification process is signal amplification. Once the signal that goes though its signal modification stage is processed, the amplifier magnifies it to increase its volume.
Output: The final stage of sound amplification is the output. This is where the modulated and amplified signal is fed through a loudspeaker which resonates in the air outside the around the amplifier as sound.
Using a good amplifier is important to producing an accurate representation of the sound you are trying to produce. If your amplifier is distorting the tones you are trying to play, try adjusting the gain and or volume knobs on your guitar or the amplifier.
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