For sale two tubes type KT90 EI Yugoslavia

2 tubes = two valves = 2 power tubes type KT90

Platinum Matched pair slightly used 

dual OO getter

power tubes

welded plate

coinbase

pip on top

top seams

tested twice

tested with tube tester Hickok TV7D/U calibrated

test results 50 & 50 (referene good at 30)

tested also on tube tester Funke W19S with 200 volt on anode

test results = 50 mA & 50 mA (reference good at 22mA ) 

same emission for both tubes

box 201