Hi-Sensitivity Audio Amp Kit

Then begin to explore the fascinating world of the unique sounds made by all kinds of energy - from lightning whistlers on the other side of the world to the stress noise of a bending paperclip. Listen to radar, to light waves, to your computer. Listen to nearby radio signals on any frequency, any mode. In addition to the kit assembly manual you get a fascinating project booklet based on experiments by USAF Engineer Calvin R. Graf as your guide to adventures with the sounds of energy.

FEATURES:

Amplifier features hi and low Z inputs.

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