Assertion: guitar's sound | /r/HasProperty | amplified
Facets:
value: subsequently
type: TEMPORAL
Source sentences:
text: There are several potential mechanisms by which feedback can occur when sound is amplified.
text: In our example, the loop between the input and output closes when the sound radiated from the amplified speaker reaches the microphone and is subsequently amplified again.
text: Strings on electric guitars don't need to be heavy, because the sound is amplified.