5U4GB, BRIMAR, SMOOTH CHARCOAL ANODE, CENTRAL RIB 5U4
5U4GB, BRIMAR, SMOOTH CHARCOAL ANODE, CENTRAL RIB
This 5U4G valve shows excellent bright getter and tests as EXCELLENT using my Avo VCM163 valve tester. Device test data: Ia = 120.0mA for both diode sections Device specification 120mA delivery for both diode sections. So you can see we have 100% emission from this venerable beauty.
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5U4G, PHILCO ,5 RIB ,CHARCOAL ANODE, 5P DATE CODE, M-R PRINT, 1955 PRODUCTION 5u4
Regular price £60.00 £60.00