Designed for communications use, this equalizer circuit uses a Mitsubishi M5226P audio equalizer IC to adjust frequency response. It runs from a 9 to 20 V supply. C6 through C16 are polyester film capacitors of ± 5% tolerance. Audio Equalizer
Find the best amplifier circuit diagram on AmplifierCircuits.com, TDA Amplifiers, 200W Subwoofer Circuits, TDA7294 Audio Amplifier, 1000W Audio Power Amplifier