TRIODES
A triode is an electronic amplifying vacuum tube consisting of three electrodes inside a vacuumed glass shell: a heated filament or cathode, a grid and a plate (anode). The triode was the first practical electronic amplifier and the ancestor of other types of vacuum tubes, such as tetrode and pentode
6S19P-V
Russian 6S19P-V tube audiophile triode. Great sound, high reliability and long service life
6S19P / 6S19P-V / 6S19P-VR / 6C19 Datasheet.pdf
6N8S (original box)
6N6P (original box)
6N1P-EV (original box)
6N23P
Soviet electron tube 6N23P - double triode. Great sound! Full analogue: E88CC, 6DJ8, 6922. Near equivalent: ECC88, PCC88, UCC88, E188CC
6N23P-EV Datasheet.pdf