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Science Fair Projects Kit Name -

Preamp - Electret Microphone Pre-Amp (Fully Assembled) (Special Deal)
Science Fair Projects Kits Review Preamp - Electret Microphone Pre-Amp (Fully Assembled) (Special Deal)


Brief Description of this Kit:

This ECM microphone pre-amplifier incorporates a sensitive PC board mounted electret condenser microphone and two transistors. It will amplify the microphone signal and will provide an output that can be connected to any audio amplifier with standard input sensitivity like our model numbers CK/UK153 and CK/UK193. Supply voltage: 9V DC @ 20mA. Includes 9V battery snap.
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