Kits - Preamplifier / Buffer / Gain / Front End

At the Burning Amp Festival in 2017 Nelson presented a pre-amp using the Korg Nutube dual triode. The latest revision of the circuit available is n...

The Iron Pre Completion Kit is over here. This is the Iron Pre from Zen Mod - limited quantities and hot off the press. There are two versions of t...

Complete kits for Mark Johnson's VFET front ends. These are suitable for both the N and P VFET kits and will also drive other projects that are pla...

This is a parts kit to aid in the completion of your Iron Pre.  This kit is compatible with all boards marked 2021 or 2023V3.  This kit along with ...