pre-amplifier

Graphic equalizer circuit diagram: This is a 5 band audio equalizer. this circuit is used in an amplifier. normally any amplifier needs a pre-amplifier to control the sound quality. this circuit has audio input and audio output. here need 12 voltages to run this circuit. Graphic equalizer circuit diagram.   …

5-band graphic equalizer: This is for the audio amplifier circuit diagram. this circuit is used as a pre-amplifier to an amplifier. this circuit makes the sound clear and melodious. we can make the sound we want to hear. like, we can control the low part. we can control the high …

Bass tone circuit diagram: This is a Bass tone circuit diagram. this is a simple circuit. it’s a very simple circuit diagram. but the quality is very good. it’s making our amplifier quality full. we can control the sound using this circuit. here used 3 100k volumes. one for Bass …

Music light for the amplifier: This is the music light for the amplifier. this circuit is for the amplifier. this circuit we use in the amplifier. this light can make the amplifier look nice. here used a Kia6966s. this Ic has 5 led outputs. this circuit run 6 to 12 …

how to make a low pass filter for a subwoofer: this is a circuit for driving only a bass amplifier. this circuit makes bass only. when we use a sub-woofer.  every subwoofer needs a bass amplifier. every bass amplifier needs this circuit to make only bass. it’s called a low-pass filter. …

how to make preamplifier: Best preamp for amplifier. we can use this circuit diagram to increase our amplifier sound and sound quality. every amplifier needs a preamplifier to increase the sound. here used a 2n5551 transistor to increase the sound. normally we can see 4558 ic-based preamplifiers. 4558-based needs dual …

Subwoofer Circuit diagram: This is the Subwoofer circuit diagram for the sub-Speaker. if we want to make only a sub-woofer then we have to use this circuit diagram as a pre amplifier. this circuit diagram makes the audio-only bass. this is the low part for the sound. if we use …

how to make an audio equalizer? how to make an audio equalizer. so let’s make if we want to control the audio quality like bass, tone, high, and low. normally all kinds of amplifiers got audio. sometimes we need this circuit diagram.  This is a High low and mid-control circuit …

how to make a preamplifier circuit:  how to make a preamplifier circuit. This is a dual low-noise operational amplifier. az4580 is a mono-dual low-noise operational amplifier. It is designed for audio systems to improve tone control. it can also be used in pre-amplifiers. This IC features internal frequency compensation, low …

Stereo preamplifier circuit diagram: This is a Stereo circuit diagram. we need a Stereo circuit when we are making an amplifier. without a pre-amplifier amplifier can’t make the best quality of sound. here in this circuit used OPA2134PA IC. it’s a dual-voltage preamplifier.  The symbol is here for the component …