+ QUAD 4 piezas x 6P41S (6П41С) ~ 7868 tubos de tetrodo de haz de salida, válvulas NOS = DDP
4 pcs 6P41S, (Cyrillic=6П41С). 6P41S -Output beam tetrode. Output Beam Tetrode Tubes, USSR NOS. Be careful! Soviet tubes are only approximate analogs of Western tubes and match pinout, but are not exact copies of Western tubes.