The Noisy Cricket from Beavis Audio Research is a highly compact, 1/2 watt practice/recording guitar amp. The amp is built around the National Semiconductor LM386 chip and is powered by a 9-volt battery. The amp can be built in a variety of small cases using commonly available and inexpensive components. The designer publishes a bill of materials and assembly instructions on the Beavis Audio Research website.

• .6 Watts of power into an 8 ohm load
• Can be powered on 9-18vDC
• JFET input buffer
• Tone control knob
• “Grit” overdrive control

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