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> 1 x telefunken EAF42 valve - tested
1 x telefunken EAF42 valve - tested
1 x Telefunken EAF42 valve tested
1 x Telefunken EAF42 valve - tested - excellent
This Telefunken EAF42 diode pentode valve has been tested on an AVO valve tester and has good characteristics. The diode section tests out as excellent.
Specification for EAF42 pentode section :-
Ia = 5.0 mA & Gm = 1.8 mA/V for Va = 250 V, Vs = 100 V & Vg = - 2 V
results for this valve:- Ia = 3.6 mA & Gm = 1.05 mA/V
