This is the traditional audio preamp configuration with the National Semiconductor LM382. The circuit has good gain and can be used with magnetic pickups or from signals from an auxiliary input.
This circuit makes use of an uncommon integrated circuit. It can provide a power of 6 W when...
Found on Popular Electronics from the 1990s, this oscillator uses a general purpose transistor. The...
This circuit operates at a frequency of 80 KHz and modulation up to 60 kHz. The circuit is from...