(Typical-Bandwidth Lm380-Audio-Power-Amplifier (* 100 Kilo-Hertz))
(=> (Typical-Bandwidth $X $Y) (Frequency-Quantity $Y))
(=> (Typical-Bandwidth $X $Y) (Semiconductor $X))
(Typical-Bandwidth Lm383-7-Watt-Audio-Power-Amplifier
(* 30 Kilo-Hertz))
(Typical-Bandwidth Lm383a-7-Watt-Audio-Amplifier (* 30 Kilo-Hertz))