NOS HF-Pentode made by Tesla (high quality, gold pins), good t use for NF (theE180F was used in the V72b studio amplifier for example).
Compares to: 6SH9P
Pinout: 1=K, 2=g1, 3=K, 4=H, 5=H, 6=empty, 7=A, 8=g3, S, 9=g2
Typical operating values:
Filament 6,3V/0,3A, Ua=190V, Ug1=-9V, Ug2=160V, Ug3=0V, Ia=13mA, Ig2=3,3mA, S=16,5mA/V, Ri=90KOhm
Maximal operating values:
Ua=210V, Ug2=175V, Pa=3W, Pg2=0,9W, Ik=25mA, Ukh=60V, Rg1=500KOhm