5U4GB: GE NOS - NIB Matching Code Date High Testing Vacuum Tubes Boxes




Item History & Price

Information:
Reference Number: Avaluer:7617937Country/Region of Manufacture: United States
Brand: GEType: 5U4GB
Original Description:
Up for sale is a pair of GE NOS-NIB, matched code date vacuum tubes. Their code date is 59-13 / 188.5. On my Hickok 533A tester the average for this tube is 800. One tube tested at 2500, both sides, the other at 2600, both sides, with perfect life tests.  The tubes have black plates with side getters.




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