This dynamic microphone amplifier circuit has a total gain of 200 times. If we use 200Ω microphones R4 must be 220Ω and C1 is 4.7uF. If you want the to get the lowest noise signal from this dynamic ...

LM1877 connection diagram and pdf datasheet. Download LM1877 pdf datasheet. Tags Audio Amplifier Circuits • Electroschematics. ... 0 comments on “ LM1877 Audio Amplifier Circuit ” Leave a Reply Cancel ...