Schematic Power Amplifier and Layout

Auto volume level circuit using TL082 Volume Control Schematic automatic volume control circuit for audio amplifier circuit using TL082

stereo headphone circuit diagram

Echo Repeter and preamp mic schematic Part R1,6,25,36,48,54           2K2 R2,7,16,27               470K R3,8,26,31               12K R4,9,39               220R R5,10                   22K R11                   1M5 R12,45                   10K R13,52,53,58,59           […]

Simple Touch Switch circuit One Tr using 2N3904

BTL Audio Circuit using IC LA4598 THE LA4598 is a TWO-channel power ic that is intended for use in portable audio equipment.  Needing no heat sink during 9v operation facilitates set design with a small footprint.