My WOT line preamp .
2x 5Y3 ; 2 x OA2 ; 2 x EC8010,
lots of PIOs , iron and passion ;
if you must know more-just google for Euridice preamp
WOT preamp on shelf
preamp bottom ; first version with messy wiring .
enough for now
preamp supply top
preamp supply bottom
schematic , approximate ;