1.4k
A simple audio pre amplifier using some basic components
Schematic
Parts List
QTY PART-REFS VALUE --- --------- ----- Resistors --------- 1 R1 100k 2 R2,R3 10k Capacitors ---------- 2 C1,C2 0.1uf Transistors ----------- 1 Q1 2N3904 Miscellaneous ------------- 1 MIC1 MICROPHONE