AVO Valve Tester Mk 4
My Main Valve(tube) tester , It been a
good old friend for a number of years
It was missing its Vset ~ knob when I
had it and
years later I have never needed to adjust the V set ~
This can test all types of normal
valves , Diodes , Triodes , Pentodes, Tetrodes, indirect or directly
heated.
Tests:
Inter electrode leakage/shorts
Mutual conductance
Plot Ia/Vg at a range of parameters
this machine is an excellent compliment to any workshop
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