Car subwoofer amp circuit tda7494 (100W DMOS integrated amp is) based on the bass at the entrance to the opamp’s made ​​with adjustable active filter circuit. Supply circuit TL494 (PWM control IC) made ​​with 12-volt battery voltage of +... Electronics Projects, TDA7294 Car Subwoofer Amplifier Circuit TL494 DC to DC Converter SMPS "audio amplifier circuits, dc dc converter circuit, ic amplifier, tda7294 amplifier circuit, tl494 circuit, " Date 2019/08/02