This is a pair of G E 5U4GB / 5AS4A Tubes They both tested good.
Item Tag: United States
-
Tightly Matched Pair 5AS4A Miniwatt by RCA black plate Tubes Triplett 3444 test
Miniwatt made by RCA. Triplett tests rectifiers under load (the best test) & indicates whether they test correctly or not – no GM on rectifiers. Test results given are from the 1000 scale for comparison.
-
GE 5U4GB / 5AS4A Rectifier Tube …….NOS…..Match pr
Up for sale is a MATCHED pair of NOS, GE 5U4GB / 5AS4A rectifier tubes. They are in excellent condition and both have been tested on a Amplitrex, top-of-the-line tube tester. Both tested excellent ( nos) with a close match.
-
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.
-
5AS4A (5U4GB) Vacuum Tubes – Various Brands USA – $12.95/ea (TESTED GUARANTEED)
Picture is representative of one of the boxes of rectifier tubes; note the tube you receive may or may not be shown in the picture; most likely not given the thousands of tubes we have. The testers we use are Phil Frakes’s Bitmatic computerized Cardmatic testers from Tubesontheweb, the specific models are Western Electric KS-15874-L2’s which were made for Western Electric by Hickok; we currently own two of these testers.
-
2 x 5AS4A Westinghouse Rectifier Tubes *Black Plates*TESTED*NOS*NIB*#10
2 x 5AS4A Westinghouse Rectifier Tubes. NIB – boxes may be tattered. The price is for 2 tubes. Black Plates.
-
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
-
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.
-
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.
-
5U4GB 5AS4A RCA 1964 radio audio amplifier rectifier vacuum tubes 2 valve tested
Tubes have black ribbed plates, top side O getters.