Reference tube is tested first then the tube listed for sale. Test procedure.
Item Tag: Rectifier Tubes
National Union NU-80 Type 80 Rectifier Tube Engraved Base Hung Filaments Tested
Up for sale is a National Union NU-80 Type 80 Rectifier Tube.
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Matched Pair RCA 5V4G Rectifier Tubes Black Plates D Getters Tests Strong TV-7U
Matched Pair RCA 5V4G Rectifier Tubes | Black Plates | D Getters. Tube 1 tests at 58/58 and tube 2 at 58/56 with 40 being the minimum score for a good tube (with 65% life remaining).
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RCA 5V4G NOS/NIB RECTIFIER ORIGINAL BOX
The RCA 5V4G NOS/NIB Rectifier is an original vintage audio component from the United States, specifically designed as a rectifier tube for vintage audio systems. This particular model, GE 5V4G, comes in its original box, ensuring its authenticity and quality. As a collector’s item or for use in restoring vintage audio equipment, this rectifier tube is a valuable piece of electronics history.
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NU 5V4G Vacuum tube Rectifier Tested Good
95% of the Emission Tube Testers Rectifiers and Diode Tubes a GOOD tube it stars above 30 to 50+ on the Red zone. Note: Rectifiers and Diode tubes do not have Transconductance values. Regulator, Ralay, Rectifiers and Diode tubes do not have Transconductance values.
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Pair Westinghouse 5V4G Rectifier Tubes New In Box
Both New in box
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5V4G GE Tube (New Old Stock) Test New 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
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5V4G RCA Tube (New Old Stock) Test New 1 Year Warranty
Reference tube is tested first then the tube listed for sale. Test procedure.
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Eveready Raytheon Globe ER250 ER-250 Type 50 Ballon Vacuum Tube, Tested Good
For sale is a VERY uncommon Eveready Raytheon Power Triode, ER-250 globe type 50 tubes, this was Raytheon’s answer to the RCA UX-250. I’ve tested this on my calibrated Hickok Tv-7 D/U and the tubes tested good at 43 where minimum is 38. I can only guarantee scores on my tester and they may not match exactly with your scores, but I think you will find it a nice usable tube and it’s quite striking as well Will be packed well and shipped quickly, please see my feedback for the care I take in packing such items I have a number of Type 50 (and 45 and 46) tubes, if you are looking for something in particular let me know, I may have it! thanks
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Kenrad 5V4G Rectifier Tube Tested Strong
Tested strong using a Sencore mighty mite tube tester