Hickok 539C tested and matched. Near perfectly matched for both GM and MA (Current). Matching date codes also. To ensure maximum performance and longevity make pins are clean and tube glass is free from finger prints/dirt when replacing tubes.
Item Tag: GZ34
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GZ34 rectifier tube audio VALVO / MULLARD ( AMPEREX ) – xf2 / oo – GZ 34 – 1964
Made by Mullard in England for Valvo in Germany. RARE and EARLY tube. With f32 / B code and oo getter. Made in the 1960s. Tube shows f32 / B4A3 code – made in January 1964. With original box. See pictures.
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1pcs For GZ34 Fit 5Z4P 5U4C 5AR4 rectifier tube Electron Tube Quality assurance#
Assistance with Dedicated Technical Support. Urgent issues?. Mark subject as “[URGENT]”. 1-Year Warranty. PRO TIP FOR FAST SERVICE. Order Date.
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(2) 1958 Mullard f31 Fat Base GZ34 5AR4 Tubes Matched Every Way (codes + test)
Matched codes, perfectly balanced, tested full NOS. Calibrated TV7-D/U test results: 59/60, 60/60. (Minimum/Good range on the TV7 is 40)
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Mullard GZ34/5AR4 Rectifier Tube Made in England f32 B5F3 4 Notch Strong
1 GZ34 / 5AR4 vacuum rectifier tube, made in Blackburn. f32 B5F3 tested 100%+, 4 notch plates.
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Mullard GZ34 5AR4 Vintage f31 1959 Fat Base Audio Rectifier Tube (balanced)
Audio Rectifier Tubes (5Y3, 5U4, GZ34, etc). This is a very nice f31 Mullard 5AR4/GZ34 tube with a 1959 date code of “B9B”. The minimum on our TV-7 is 40, and this one tests nicely at 55.6 and 55.4.
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*Vintage* WESTINGHOUSE 5AR4/GZ34 VACUUM TUBE
Listing is for a Westinghouse electronic vacuum tube, marked 5AR4/GZ34 71-35, made in Great Britain Listed for parts/as is because the glass is cracked through. All sales fi ak, no returns obviously. Feel free to send along any questions. All items are packed securely and shipped promptly next business day.
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5AR4 GZ34 Vacuum Tube RCA NOS mullard great britain 4 notch
Tested on BK precision 667 tube tester. gray plates with 4 notches. I believe these were made by mullard.
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Matched Pair Mullard 5AR4 GZ34 FAT BASE Rectifier Tubes Amplitrex Tested NOS F31
Both tested NOS and matched using an Amplitrex AT1000 tube tester as photographed.
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1960 GE FAT BASE 5AR4 / GZ-34 – for STROMBERG CARLSON
1960 GE FAT BASE 5AR4 / GZ-34 – for STROMBERG CARLSON with Copper plates and Fat D Getter.