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5U4GB, RCA, 1959 MANUFACTURE 5U4
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5U4GB, RCA, 1959 MANUFACTURE 5U4

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 5U4GB, RCA, 1959 MANUFACTURE
This RCA short form 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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