For saleHaltron 5U4GB tubes. Great sounding audio tubes! Tested on RoeTest V10 (the best modern tube tester!). Excellent upgrade over any Chinese tube rectifiers!
Item Tag: 5U4GB 5AS4A
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GE made Zenith 5U4GB 5AS4A Rectifier Tube- Hickok 539B tests@ 120/124, Min:54/54
Hickok 539B tested. Hickok 539B is a mutual conductance (Gm) type tube tester. Tube features grey smooth plates and a side-mounted ‘Rectangular’ getter construction. (Plate#1 / Plate#2). Test Results.
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** GE 5U4GB 5AS4A Black Plate VACUUM TUBE
We hand pick each piece and only choose the pieces we believe to be above average condition.Please view all pictures and use them as the main part of the description.Whats in the pictures is what’s included nothing more nothing lessExtra cost for shipping to PR Alaska and Hawaii Please message before purchasing…If I offer free shipping it’s to lower 48 states only After receiving the item and you’re happy with it please leave positive feedback.
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1960s GE 5U4GB 5AS4A Rectifier Tube – Hickok 539B tests @ 120/128, Min:54/54
Hickok 539B tested. Hickok 539B is a mutual conductance (Gm) type tube tester. Tube features grey smooth plates and a side-mounted ‘Rectangular’ getter construction. (Plate#1 / Plate#2). <<<<<<>>>>>>.
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5U4GB GE Vintage GE General Electric Rectifier Vacuum Tube 5AS4A Tested
The product is a vintage GE vacuum tube model 5U4GB/5AS4A, originating from the United States. This rectifier tube is tested and confirmed to be in proper working condition, making it a desirable component for vintage audio and video equipment. With the GE brand known for quality electronics, this tube is a valuable piece for collectors and enthusiasts of vintage audio technology.
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General Electric Vintage Vacuum Tube Model 5U4GB/5AS4A Radio Tube Tested GE
This vintage vacuum tube from General Electric is a rare find for collectors and enthusiasts alike. The 5U4GB/5AS4A is a great addition to any collection, and it is sure to impress with its quality and craftsmanship. Made in the United States, this unit is in excellent working condition and is ready to be used in your electronic projects. The brand, GE, is known for its reliability and durability, and this vacuum tube is no exception. With its unit quantity of 1, you can be sure that you are getting a unique and special item that will stand the test of time.
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5U4GB / 5AS4A Westinghouse VACUUM TUBE – GUARANTEED
Pretty sure I bought this one from a Villa-Mart (later Valu-Mart) Tube testing kiosk in Beaverton, Oregon in about 1970 (price still attached), never used. Images do an adequate job of representing the item.
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Sylvania 5U4GB 5AS4A Rectifier Tube – Hickok 539B tests @ 116/122, Min:54/54
Hickok 539B tested. Hickok 539B is a mutual conductance (Gm) type tube tester. Tube features black smooth plates and a top-mounted ‘Halo-Ring’ getter construction. (Plate#1 / Plate#2). Test Results.
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5U4GB/5AS4A NIB Sylvania Rectifier Vacuum Tube Black Plate Halo Balanced NOS
This tube has been fully tested and it is free of any leaks, shorts, emissions or quality issues. On a Hickok style Jackson 103 tester the minimum good for each line of a 5U4GB is 25, and both lines tested right at 40 it’s got excellent balance and it’s super strong.
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(1) NOS 5U4GB (5AS4A) Vacuum Tube – GE – USA – 1967 (TESTED!!!)
Gray plates, dual mica spacers, and side D-getter. Our backup testers which we use occasionally are military TV-10D/U’s. For specialized tests, we employ one of our VTV Dual Triode Characterizers (for preamp tubes) as well as a Maxi-Matcher (for power tube matching).