Your cart
There are no more items in your cart
1 X 717A TUBE. NEW OLD STOCK IN ORIGINAL BOX.
BRAND: WESTERN ELECTRIC. 1950s PRODUCTION.
BLACK PLATES, SOLID GETTER.
TESTED IN AMPLITREX AT1000 TUBE TESTER:
108% EMISSION (EM) 117% TRANSCONDUCTANCE (GM) 0.3mA/V GAS