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WESTERN ELECTRIC 421A DUAL TRIODE VACUUM TUBE, 1979 VINTAGE, GOOD




Item History & Price

Information:
Reference Number: Avaluer:994719Model: Vacuum Tube
MPN: 421ACountry/Region of Manufacture: United States
Brand: Western ElectricType: Dual Triode Tube
Original Description:
Here is a Western Electric 421A Dual-Triode Vacuum Tube, new-in-box. The date stamp on the tube base is "7913, " and on the carton "3-79. When tested on a military Hickok TV-3B/U tube checker, triode section #1 measured 5, 550 micromhos, and section #2 measured 6, 000+ micromhos.



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