6v6 tube Fivre Italy  matched pair tubes power valve Ia & Gm strong

2 tubes 6V6 Fivre made in Italy 

black oval plate

copper rods 

silver foil pan getter bottom 

black base 

old production power tubes 

top springs 

first type oldest production 

tested twice

test results with tube tester TV7 

tube 1 = 82 (reference good at 46) 

tube 2 = 80 (reference good at 46) 

Test with Tube tester Funke W19S, 

tube 1 = 33mA (reference good at 18mA) 

tube 2 = 35mA (reference good at 18mA) 

rare tubes strong emission 

box 215

pair 5