Assertion: valve amplifier | /r/HasProperty | low gain
Facets:
value: before world war ii
type: TEMPORAL
value: at full power
type: MANNER
value: with linearity
type: OTHER
Source sentences:
text: Before World War II, almost all valve amplifiers were of low gain and with linearity dependent entirely on the inherent linearity of the valve itself, typically 5% distortion at full power.