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.
Features:
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
Dimensions:
Package includes:
Documents:
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