This vintage RCA vacuum tube is a rare find for any enthusiast of classic electronics. With a model number of 5U4GB and manufactured in the United States, this tube is a true gem for collectors. Its black plate design adds a touch of elegance to any vintage audio or video setup. The tube is in excellent working order and has been well-maintained over the years. It is a great addition to any collection and is sure to bring a smile to anyone’s face. Don’t miss your chance to own a piece of audio history with this RCA 5U4GB vacuum tube.
Item Tag: AS-4A
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GE 5U4GB/5AS4A new in box vacuum tube
The product is a GE 5AS4A vacuum tube, new in box, made in the United States. This vintage electronic component is a rare find for collectors and enthusiasts of vintage audio and video equipment. With its original packaging intact, this tube is sure to be a valuable addition to any collection or a sought-after item for those looking to restore or repair vintage audio equipment.
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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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RCA 5AS4A Vintage Vacuum Rectifier Tub Tested strong Matched Pair
The RCA 5AS4A Vintage Vacuum Rectifier Tube is a sought-after collector’s item in the vintage audio and electronics community. Made in the United States by RCA, this vacuum tube is a true gem for enthusiasts seeking to restore or reproduce the sound of bygone eras. With a strong and matched pair performance, this vintage rectifier tube is sure to enhance the audio quality of any vintage audio setup.
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1 General Electric 5AS4A Black Plate Tube TV7 Tested Very Strong And Balanced
These tubes have been tested on a TV7 tube tester with all shorts tested. Tested values.
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1 x 5U4gb/5AS4A G.E. Rectifier Tube*TESTED*NOS*NIB*#8
1 x 5U4gb G.E. Rectifier Tubes. NIB – boxes may be tattered. The price is for 1 tube.
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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).
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Realistic (Sylvania) 5U4GB/5AS4A Black Plate Halo Side O Getter Test on B&K 707
Realistic (Sylvania) 5U4GB/5AS4A Black Plate Halo Getter Side O Getter Tested on B&K 707 Thanks for checking out my listing!