DMOs TDA7294 integrated amplifier guitar amp used for a variety of powerful sound, the tone control circuit TL071, TL072, TL074 op-amp ICs used Voice in the introduction of control quite well GAIN, HI-MID, LOW-MID-BASS, TREBLE, VOLUME settings are all... Electronics Projects, High quality guitar amplifier circuit TDA7294 "audio amplifier circuits, ic amplifier, tda7294 amplifier circuit, " Date 2019/08/01