Assertion: guitar amplifier | /r/CapableOf | modify the instrument's tone
Facets:
value: by adding electronic effects
type: MANNER
Source sentences:
text: Guitar amplifiers can also modify the instrument's tone by emphasizing or de-emphasizing certain frequencies, using equalizer controls, which function the same way as the bass and treble knobs on a home hi-fi stereo, and by adding electronic effects; distortion (also called "overdrive") and reverb are commonly available as built-in features.