Stromberg-Carlson 5U4G ST Bottle Black Plate Tube TV7 TEST ANOS & Balanced 🔈
Rare 1951 Stromberg-Carlson labeled Hytron 5U4G ST Bottle Black Plate Tube TV7 TEST ANOS & Balanced. Glass is tilted but does not impact performance. 210 code = Hytron. Gas (Grid Current)Test: Passed.
Pair of NOS USSR 5U4G Coke Bottle Style Rectifier Vacuum Tubes (Many Available)
For sale is a pair of USSR 5U4G coke bottle style rectifier vacuum tubes. NOS, never used. These are part of an old surplus of NOS tubes. The photo showing many tubes is just to show you that there are many available.
1, NEW in box, National Union 5U4G, tall, shouldered glass, 5U4GB, 17 available
One, new in box, National Union 5U4G tube.There are twenty tubes available, however the listed price is for just one. Black plates, lower D-getter. Firm base, excellent silvering. The tube shown tests at 167-165 where pass/fail is 80, with all others very, very close to those values.
2 PCS 5C3S /5U4G . Black Graphite Plate. Kenotrone. SVETLANA. Tested by Etracer.
The device is a shock-resistant glass bulb with an octal, 5-pin base. The feature of the kenotron is the oxide cathode and has direct heating. Currently, the 5ts3s radio tube is not manufactured. • External electrical capacitance required for high-quality operation of the kenotron: 4 μF.
Emerson RCA 5U4G ST Bottle Black T Plate Rectifer Tube TV7 Test ANOS&Balanced🌊
Gas (Grid Current)Test: Passed. Test results will vary between testers as it is not an exact science. Mutual Conductance (GM)Test: 59 & 62 (60=NOS Average and 40=Good MINIMUM).
New NessTone 5U4G 5Z3PA 5U4GB 5AS4A 5Ц3C CV1863 GZ31 Rectifier Tube Valve
NessTone 5U4G. Excellent tone and build quality. Equivalent to the 5Z3PA 5U4GB, 5U4, 5C3S, 5AS4A, 5Ц3C, CV1863, and GZ31. Tested on the RoeTest professional computer testing system. Quickest shipping from NessTone Tube Sales
NIB Matched Pair Sylvania 5U4GB Black Plate Rectifier Tubes TESTED 5U4 5AS4A
(5U4 / 5AS4A). NIB Matched Pair Sylvania 5U4GB Black Plate Rectifier Tubes. Both test 90/90 on my IT-21 tester, where a new tube usually tests 85/85.
1pcs GZ34 5U4G(amp socket) to AZ12 tube converter adapter
1pcs 5U4G GZ34(amp socket) to AZ12 tube converter adapter,Your amp socket is octal for 5U4G tube. Drop resistor inside 5V to 4V for AZ12. Every product will be tested before we send out.
2, NEW, RCA-CBS, 5AS4 tall, shouldered glass, match date pr2, uprate 5U4G, 5U4GB
The 5AS4 can be used in all applications calling for the 5U4G, 5U4GA, and 5U4GB- many of the later 5U4GB tubes carried the designation of 5AS4A to show interchangeability. Firm bases, excellent silvering.
RCA 5U4G Hanging Filament Bottom Getter Smooth Black Plate Made in USA
Bottom Foil Getter. Rectifier Vacuum Tube. Smooth BlackPlate. Tight Base. Made in USA. Date Code: RE6.