Home / Preamp Tube / LJ 6h1n-5687 "Red Maroon" Line PreAmplifier (2007-0725) 1

LJ "Red Maroon" line preamplifier. Using:

OTK Russian 6h1n (6n1p) tubes and 5687 in signal section,

OTK Russian 5u4c/5c4s (5Z4) for rectifier. Photo file: July 25, 2007.