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1 X GZ34 / 5AR4 TUBE. NEW OLD STOCK IN ORIGINAL ARMY BOX.
BRAND: PHILIPS. 1950s PRODUCTION.
GREY PLATES, SOLID GETTER, METAL BASE.
TESTED IN FUNKE W20 TUBE TESTER:
MINIMUM GOOD EMISSION = 60% = 60mA
145/143mA
TESTED IN ROEHRENTEST TUBE TESTER:
95/97% 95.39/97.49mA EMISSION (EM)
CH165U1