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300B

Manufacture:Western Electric
Price: JPY 209,091(only one piece)Sold Out
25-47957-22521-00
Shop: Osu shop
Arrival: 2025-11-13 20:11:30
Only the magnesia-coated ring getter (thick) is printed on the base part of the direct heat triode tube filament part is probably a reprint. Measured value 66 (rejected value 58), strange noise inside the base with alternative box, and glass fragments are slightly stuck inside the tube*The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box (CETEON)
　　
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