FOUR CHANNELS MIC PREAMP MP312-4©2019 WWW.AVDAUDIO.COMAssembly ManualMP312-4 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 bottom +48v -20Db pad input gain bottom phase reverse bottom mute bottomThe box is with external power supply.If you had bought this DIY Kit, hope this manual help you to complete thisunit. 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 atinfo@avdaudio.com if you have any questions.Let's start this build!