Condition: NewFor 7pins...
Condition: NewFor 7pins tube: B7G 6AU6 EF95 6C4 6X4 EAA9 EC92 6Z4...Working Voltage: 1500VContact Resistance >0.01ΩInsulation Resistance <10000MΩUseful Life: 200 times
Condition: NewFor 7pins tube: AEE91 EC92...Working Voltage: 1500VContact Resistance >0.01ΩInsulation Resistance <10000MΩUseful Life: 200 times