Our shelves have been re-stocked with:
Linear Audio High-voltage Delay for Tube Amplifiers V4 high voltage delay for tube amplifiers.
DIY Biamp 6-24 Crossover stereo analog active biamp crossover circuit designed by Nelson Pass.
SMPS DC Filter P089ZB Kit inline DC filter for SMPS wall warts, preamps, HPAs, Korg NuTubes, B1, etc.