Simple Condenser Mic Preamplifier Circuit using 2N3904
This is simple condenser mic preamp circuit using 2N3904, The mic bring to change the sound to electrical signals. it is simple circuit and use 9V battery Read more
Condenser microphone
TL084 circuits JFET Input Op-amp datasheet
TL084: low noise OP-AMP in cheap. Use JFET input. Why popular in audio & a lot of circuits: wide bandwidths and fast slew rates. Example: Read more
2 Megaphone circuit diagram you do not miss
This is a megaphone circuit diagram using a signal sound amplifier from a condenser microphone to a higher signal at a small-sized loudspeaker. There are two circuit diagrams to create. See below Simple LM386 megaphone circuit It composes the importance is a microphone preamplifier (pre mic), use transistor just one enlarge sound signal gives the … Read more