MICROPHONE PCB

here you will find all the PCBs for microphone preamps available for your DIY projects
It's been several years since I redesigned according to the original plans the best legendary tube and transistor preamps that made the history of recorded music
you will find a BOM pdf for each project with the description of the components and e that you need to make your DIY machine
be careful only the PCBs are available, I do not offer a complete kit

you can select in the items the reference to add to your basket

GAR

GA-2C

tube mic preamp

The GA-2C is an adaptation of the famous RCA preamp and a gateway to the world of tube DIY it is the same diagram but with a change of the components to be simpler and cheaper to manufacture the GA-2C can be mounted in a 2u Rack

the selected transformers are Vigortronics UK easily found at electronics retailers

the selected tube is the EF94 pentode, 6au6 it is a robust tube of very good audio quality and at a low price

PCB-312

(new version 2023)

This mic preamp was replicate from vintage 312 American pre

Only pcb available

Helios 2128

This mic preamp was replicate from vintage Helios olympic UK preamp

Only pcb available

BA-2C

The RCA BA-2C is a 1950’s tube microphone preamp
this bord offer a possibility to make this American legendary preamp

RED-47

MIC PREAMP

RED-47 Mic Amplifier is a recreation of the original valve line amplifiers used in famous UK Studios

this bord offer a possibility to make this legendary preamp.

It can be used as a microphone preamp or instrument preamp easily.