GI7B Tube -Tropical Military variant.
New in Box!
HF-VHF-UHF POWER COAXIAL TRIODE
GI-7B tubes series not production since 1993y.
But we offer Brand New,never used tubes from manufacturer old storage.
See tubes condition:
We offer a really New tubes from original factory Big Box!
More information? Very recommend!
GI-7B (regular tube) and GI-7BT (Tropical variant, Military tube) compare:
GI-7BT tube is same GI-7B tube, but have a strong body and a best vacuum.
GI-7BT designed for radar aplications in the VietNam war, also for Laos,Cuba,Africa tropics.
This tubes has the best design, the best manufacture and quality control.
GI-7BT is reliable as the Russian machine gun AK-47.
You build BIG GUN for air?
Take a Kalashnikov quality and reliability. It can be on fire but will be work any way!