FOUR CHANNELS MIC PREAMP MP312-4
©2019 WWW.AVDAUDIO.COM
Assembly Manual
MP312-4 Four Channels Mic Preamp.
Hello DIY lovers!
Thanks for choosing AVDAUDIO!
We are proud to introduce our new MP312-4 Four Channels Mic Preamp.
This unit was made based on vintage API312 version preamp.
Unit has four independent channels. Each channel has:
input gain and output attenuator
phantom power supply 48v
-20Db pad input gain bottom
phase reverse bottom
mute bottom
The box is with external power supply.
If you had bought this DIY Kit, hope this manual help you to complete this
unit. And we hope it will be easy to build and will give you pleasure!
We wish you happy DIY moments with this kit and please contact us at
Let's start this build!