12AX7 to 6N2P toggle switch guide
This post will cover the 12ax7 to 6n2p toggle switch wiring that I used recently in the Aurora Jupiter Preamp. Firstly lets cover the key difference between the two valve types. Typical 12ax7 valves wired for 6.3v AC heaters use pins 4&5 linked together for one side of the filament winding and pin 9 for …