NOS (New Old Stock) & Used tubesĀ
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NOS Western Electric 417A, in original boxes.
Joint Army Navy 811 VT-217 Power triodes, made by Sylvania. Made in the USA. Tested on TV7.
NOS General Electronics 3B28 Half Wave Gas Rectifier tube. Has UX 4 pin Base Made in the USA. Tests: 42 (min=40)
NOS RCA 811A Power triode, with crimped Plate (anode) construction. Made in the USA.
NOS Amperex 811A Power triode, with heavier Plate (anode) construction. Made in the USA. Tested on TV7. Date code 78-08.
The Cetron is another tube from Geneva, Ill., this one made by Continental Electric Co. Also NOS, please read the full description. Tested and working.
The National NL649/5834 is a high current rectifier tube. These are NOS, please read the full description.
A used Plumbicon, stored in the original shipping tube. Cosmetically good, but labeled "Lags" and the operational usefulness is unknown.
A used Plumbicon, stored in the original shipping tube. Cosmetically good, but labeled "Spots" and the operational usefulness is unknown.
A New Old Stock factory CRT for Tektronix 528 Waveform Monitor. Part Number 154-0525-10