Her is a beautiful Mullard GZ34 5AR4 tube. There is no branding on the glass, but it is etched with the code f81 x8i which i believe to be a Mullard manufactured in the Blackburn plant in 1958; one of the most sought after Mullard GZ34’s based on the forums. This tube tests very strong and is in aweso.e shape with an in tact center locator and shiny, rust-free pins. The box appears to be period correct but is probably not original as it is marked “used”. The box is very delicate and needs to be handled with care. please see the pictures for construction details and other specifics as what you see is what you get.
Item Tag: GZ34 5AR4
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(2) Mullard EICO GZ34 5AR4 Rectifier Tubes TV7 Test 61/61 & 68/63 F32/B8H1 B8J1
Beautiful tubes that look new and test full new old stock. White silkscreen logos are mostly rubbed off one tube but the Eico logo is still mostly intact. TV7 test results 61/61 & 68/63 where a reading of 40 per diode is equivalent to 65% Mutual Conductance
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1 x Mullard GZ34/5AR4 Rectifier Tube*FAT BASE*Very Strong & Balanced*1959
1 x Mullard GZ34/5AR4 Rectifier Tube. “f31” B9C = 1959.
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Matsushita Electric Co. 5AR4 GZ34 Rectifier Tube ‘Mullard Japan’
Early 60’s. Straight plates like 50’s Amperex and Mullard. We cannot be responsible for what tubes test in another tester.
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NOS NIB GE 5AR4 GZ34 Japan Rectifier Tube
We cannot be responsible for what tubes test in another tester.