The Kanga Products Add-On Amplifier is an inexpensive audio amplifier designed to be used as a “building block” in radio receiver construction. It is based on the very popular LM386 integrated circuit and features high gain, wide supply voltage range, low current consumption and small size. The circuit board is mounted directly on the volume control, which fits a 10mm diameter panel hole.
Uses for the Add-On Amplifier include:
- General test amplifier for the shack
- Crystal set booster
- Intercom Amplifier
- Morse practice oscillator amplifier