5U4GB / 5AS4A. FULL WARRANTY IN EACH TUBE AS LISTED. A picture is worth a thousand words so take a look as that is the actual item and accessories you will receive. LOCAL PICKUP FREE.
Item Tag: AS-4A
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NOS/NIB – Westinghouse 5u4gb 5AS4A – Full-wave Rectifier Vacuum Tube – Balanced
Tube was tested on a Stark 9-66. Test results were excellent showing above average for a new 5u4gb tube.
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GE 5AS4A 62-04 188-5 Grey Plate Side D Getter Tested on B&K 707
GE 5AS4A 62-04 188-5 Grey Plate Side D Getter Tested on B&K 707 5AS4 / 5AS4A Full-Wave Rectifier (Higher Max DC output current and peak current per plate than 5AR4, but 5AS4 is directly heated, recommended as an upgrade for a 5U4GB) Thanks for checking out my listing!
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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.
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5U4GB Raytheon 4 radio audio amplifier vintage vacuum tubes valve tested 5AS4A
Tubes test Price is for all tubes pictured. all are black plates, clear top, top side rectangular getters.
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1 pc 5C3S (5Ц3С; 5AS4A; 5U4G) FULL WAVE RECTIFIER/ NEW / BLACK ANODE / US STOCK
5C3S (5Ц3С). Equivalent to the: 5U4G, U52, 5AS4(A), 5Z10 “Tesla”, 5AQ4, GZ31, GZ32, 5931;.
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1 1964 GE 5AS4A / 5U4GB D Getter Vacuum Tube Tested NOS On TV 7
This tube tested NOS on my TV – 7 tube tester. Average new tube value – 50/50. Minimum tube value – 40/40.
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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.