Item number: 543

Category: NOS Tubes

4,90 €

Final price incl. VAT, plus shipping (klein)


Shipping time: 3-7 Working days


NOS combination tube (Pentode/Triode) made in Russia. It is used in the input section of the Madamp G3.

Manufacturer: russisch
Compares to: ECF80
Pinout: 1=A(T), 2=g1(P), 3=g2(P), 4=H, 5=H, 6=A(P), 7=g3/K(P), 8=K(T), 9=g(T)

Typical values:
Heizung 6,3V/0,42A. Pentode: Ua=170V, Ug2=170V, Ug1=-2V, Ia=10mA, Ig2=4,5mA, S=6,2mA/V, Ri=0,4MOhm, Triode: Ua=-100V, Ug=-2V, Ia=13mA, S=5mA/V, mu=20

Maximum values:
Pentode: Ua=250V, Pa=2,5W, Ug2=200V, Pg2=0,7W, Ik=14mA, Ukh=300V, Triode: Ua=-250V, Pa=1,5W, Ik=14mA, Ukh=100V, Rg=0,5MOhm

Socket: Noval

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