Universal mono pre amplier

This kit was developed as pre-module for a number of audio applications where the input signal is too weak. Applications as a microphone pre-amplifier or for level correction.
Specifications

* power supply: 10-30VDC / 10mA
* output impedance: 1Kohm
* adjustable output level: max. 40dB
* frequency range: 20Hz to 20kHz ± 3dB
* max. input signal: 40mV
* PCB dimensions: 30 x 44mm / 1.2 x 1.7'