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This Mini Microphone Preamplifier could be used as the first stage to amplify any audio signal. The device is equipped with a microphone plus clips to be connected to a 9V battery. Amplification is achieved by using an operational LM741 amplifier. The volume level could be adjusted via a trimmer.

This project comes in kit. Some components have to be soldered to the included PCB.

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Mini Microphone Preamplifier

  • Price: 4.50€


  • 5 or more 4.00€
  • 10 or more 4.00€
  • 50 or more 4.00€
  • 100 or more 3.00€

Tags: mini microphone preamplifier, 7100-ft489k, futura group srl, diy kits

The product is currently Out-of-Stock. Enter your email address below and we will notify you as soon as the product is available.