pre-amplifier

how to make an audio equalizer? The audio equalizer is an important circuit for any amplifier. if we want to control the audio quality like bass, tone, high, low. normally all kinds of amplifiers got an audio equalizer. sometimes we need this equalizer circuit diagram. This is a High low …

Dual low noise operational amplifier:  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 distortion, low noise, high …

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

how to make subwoofer low pass filter: Here we can know that how to make a subwoofer low pass filter? this is a low pass filter circuit diagram for making a subwoofer amplifier. many kinds of circuit diagrams we can find in the electronics. but this is one of the …

Subwoofer circuit diagram:  This is the Low pass filter circuit diagram. If we want to make Sub-Woofer then we have to use this circuit as a pre-amplifier. This circuit makes the only bass. This is the best subwoofer circuit diagram. and it’s also so easy to make.  Here in this …

Low pass filter with circuit diagram.  This is a low pass filter for the sub amplifier. for the subwoofer, we can use this pre-amplifier. the low pass filter only allows low-frequency signals from 0Hz to its cut-off frequency. this is the diagram. Here we can see it’s momo low pass …