Mic Preamp

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  • Part No :
  • WID-1683
  • Availability:
  • In Stock
  • Shipping :
  • Same Day
  • Weight:
  • 0.05Kg
  • Made By:
  • Sparkfun - USA
  • Mfr.Part.No:
  • PRT-08872
  • Quality Rank:
  • 100/100
Rs 220
(Tax Excl.)
Quantity :

Description: This is a simple microphone preamplifier circuit for a wide range of microphone types, with good pre-amplification to attach to your larger stereo amplifier. This circuit is suitable for use with normal stereo amplifier line/CD/aux/tape inputs. The microphone preamplifier works great with guitar pickups, piezo disks, and can take both dynamic and electret microphone inputs (preamplifier provides power for electret microphone elements). This is a simple, easy to build circuit that is flexible and very handy when working with microphones and amplifiers.

Board does not come assembled. You will need to purchase the components separately.


  • Very simple one transistor circuit
  • Amplification 35 dB, flat frequency response from 20 Hz to 20 kHz
  • Low distortion but certainly not studio quality
  • Interface dynamic or electret microphone to a line level audio input in HIFI amplifier or computer soundcard
  • Power supply: 9V battery, takes less than 10 mA current
  • No special protection circuits used
  • No special electrical safety considerations


  • 1"x1.5"x0.6"

Package includes:

  • 1 x Mic Preamp


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Mic Preamp