![]() ![]() So, what is feedback and why does it occur?įeedback is a ‘ looped signal’ that occurs when an output source e.g. This could have been prevented, but unless you understand what causes feedback you have little chance of stopping it. I can distinctly remember being back at high school and on many occasions when a principal or teacher addressed the school using the PA system there would invariably be feedback, shortly followed by loud groaning from the students. Most people will have experienced feedback at one time or another, from the low-end drone that you feel in your bones to the high-pitched howl that feels like it’s threatening to pierce a hole in your eardrums. Try using a soundhole dampener, changing the distance and direction of the speakers in relation to the guitar, and reducing the offending frequencies by controlling EQ.Īcoustic guitars are highly susceptible to feedback, that eardrum bursting high-pitched howl that has been the ruin of many a live show. To prevent feedback, the loop must be interrupted. Acoustic feedback is caused by the guitar resonating with the sound waves from a speaker, creating a loop between the guitar and speaker. ![]()
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