1) In circuit plate current for biasing of power tubes.
2) Matching plate current of power tubes on either TV7 or HICKOK etc. tube tester
>>>>Over 100 types of tubes can be tested for plate current, like 6L6,7581,7591,EL34,7027,KT88,8417,S11E12 & lot more.It includes new digital meter with new battery.
******List of tube base that can test plate current,,,6X,7AC,7AM,7AQ,7AX,7R,7S,7T,7V,7Z,8A,8AD,8BN,8DM,8E,8EP,8HY,8KB,8KM,8KN,8KQ,8R,S11E12,8ET,8GV,8AC,8AS,8AV,8AW,8AY,8BO,8F etc.if unsure, let me know.If not sure of the tube you like to test,Let me know.
>>>>>.6L6GC tube &TV7 tube tester are NOT included.
******Just for precaution for in-circuit biasing,turn off Power amplifier before doing biasing.Insert/plug-in all connectors before power on and don't touch anything.Only after swith off.
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