Assertion: watt amplifier | /r/HasProperty | heavy
Facets:
Source sentences:
text: Since an 800 watt amplifier built with standard Class AB technology would be heavy, some acoustic amplifier manufacturers use lightweight Class D, "switching amplifiers.
text: Since an 800 watt amplifier built with standard Class AB technology is heavy, some acoustic amplifier manufacturers use lightweight Class D amplifiers, which are also called "switching amplifiers.