NOS ECC35 6SL7GT VT-229 Raytheon
US ARMY SIGNAL CORPS
“Square” Getter
Black Base, Clear Glass
New in Brown GVT Box
Tested Advance Digital Tube Tester Amplitrex AT1000
Sr.No.3299039 T1=Ia=2.7ma Gm=1800
T2=Ia=3.0ma Gm=1900
Sr.No.3299045 T1=Ia=2.8ma Gm=1800
T2=Ia=3.0ma Gm=1900
NOS Gm Specification |
1600 |
1600 |
Tube 1 Test Results |
1800(112.5%) |
1900(118.75%) |
Tube 2 Test Results |
1800(112.5%) |
1900(118.75%) |









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