(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.
Item Tag: Rectifier Tubes
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1964 Match Pair GE 5U4GB Side Getter Long Gray Rectifier Tubes TESTED 5U4 5AS4A
Matched Pair GE Clear Top 5U4GB/5AS4A Rectifier Tubes. 1964 date codes. Long Gray Plates.
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NOS GE 5U4GB Clear Top Long Gray Rectifier Tube TESTED 5U4 5AS4A
I was told by my supplier that this tube is NOS but I do see some of the lettering on the tube itself worn off, not sure if due to age or handling, but it tests very strong.
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4 General Electric 5U4GB/5AS4A Rectifier Tubes Hanging Halo Getters Tested
Constructed with gray plates and top hanging halo getters. Up for sale are 4 General Electric 5U4GB/5AS4A Rectifier Tubes.
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NOS GE 5AS4A RECTIFIER TUBES f/ AUDIO AMPLIFIER / JUKEBOX
NOS GE 5AS4A RECTIFIER TUBES f/ AUDIO AMPLIFIER / JUKEBOX. Never used One silver spot on outer glass bulb
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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
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Brimar CV493 6X4 CV4005 NOS NIB, Black Plate One Tube Price
I have 4 available, they are matched so if you need 2 or 4 I strongly advise buying them as a group. The Brimar CV493 6X4 CV4005 NOS NIB is a vintage rectifier tube with black plates, produced in the United Kingdom. This model has the brand Brimar, and is known as Cv493/6×4/cv4005/EZ90. This product would be a valuable addition to any collection of vintage audio and video equipment, offering a unique and authentic piece of electronics history.
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1 NOS NIB 5R4GY / CV717 MARCONI TUBE RECTIFIER VINTAGE POWER AMPLIFIER STEREO
It is in good condition. The characteristics are as shown in the picture. But make sure that I will check and send you good quality products.