NOS hf-pentode from russian production, military specs (-EV = longer life >5.000h and better mechanical stability). g1 and g2 can be used as control grid, good for usage in distortion or compression effects.
Compares to: 6AS6/5725
Pinout: 1=g1, 2=K, 3=H, 4=H, 5=A, 6=g2, 7=g3
Typical operating values:
Filament 6,3V/0,17A, Ua=120V, Ug1=-1,5V, Ug2=120V, Ug3=0V, Ia=6mA, Ig2=5mA, S=4,2mA/V, Ri=160KOhm
Maximal operating values:
Ua=120V, Ug2=120V, Pa=0,9W, Pg2=0,6W, Ukh=90V, Rg1=1MOhm