These 2 Matching 5AS4A / 5U4GB Tubes. Tested 105% of NEW on Hickok 539B. Hickok 539B Tested and. All tubes have been tested and matched on two Hickok Professional Tube Testers. are made by Sylvania (1 Pair).
Item Category: Vintage Electronics
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Fender General Electric 5U4GB/5AS4A Electronic Tube See pics
The product is a vintage Fender General Electric 5U4GB/5AS4A electron tube. It is a rare and collectible piece that is sought after by vintage audio enthusiasts and collectors. The brand, GE, is known for its quality electronic components, making this tube a valuable addition to any vintage electronics collection. Sold as shown 02.56.25G3
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General Electric Vintage Vacuum Tube Model 5AS4A Electronic Radio Tube Tested
This vintage vacuum tube from General Electric is a rare find for collectors and enthusiasts of vintage electronics. The model 5AS4A is a testing tube that has been tested to ensure it is in working condition. It is a unit type vacuum tube that was manufactured in the United States and is a great addition to any vintage audio or video collection. The tube is from the brand GE and is a perfect replacement for any old or broken tubes. This vacuum tube is a great investment for those who want to preserve the quality of their vintage electronics.
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1 1965 GE 5AS4A / 5U4GB D Getter Vacuum Tube Tested NOS On TV 7
This tube tested NOS on my TV – 7 tube tester. Date code KU – July 1965. Average new tube value – 50/50. Minimum tube value – 40/40.
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Tightly Matched Pair 5U4GB/5AS4A Sylvania NOS black plate/tall boy Tubes tested
Tightly Matched Pair. Vacuum Tubes. Tubes will generally be cleaned. Clean tubes will radiate heat better & operate cooler. Triplett tests rectifiers under load (the best test) & indicates whether they test correctly or not – no GM on rectifiers.
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5U4GB 5AS4A RCA 1964 radio audio amplifier rectifier vacuum tubes 2 valve tested
Tubes have black ribbed plates, top side O getters.
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RCA 5U4GB / 5AS4A Radiotron Electron Tube New in box
RCA 5U4GB / 5AS4A Radiotron Electron Tube. New in box. We will work with you to resolve any problem you may have.
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5U4GB 5AS4A RCA 1950s radio audio amplifier vintage vacuum tubes 2 valves tested
Made in 1950s, tubes tests tubes have black ribbed plates, top side rectangular getters.
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Lot of 3 GE 5U4GB 5AS4A Rectifier Tubes In Box Untested
3 – 5U4G Tubes 2 – Raytheon 1 – GE 1 – Sylvania These are untested.