I’ve holding on to a bunch of rectifier tubes. Time to let them go. Tested with a recently calibrated Hickok 6000 tester. Both plates tested. SOLD AS IS. NO REFUNDS. NO RETURNS. Please ask questions or requests. Shipping quote is for the Continental USA only.
Item Tag: Rectifier Tubes
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Mullard /Sylvania GZ34 5AR4 Rectifier Tube f32 B3A5. Recently Cal.Hickok Tested.
I’ve been holding on to a bunch of rectifier tubes. Time to let them go. Tested with a recently calibrated Hickok 6000 tester. Both plates tested. Great clean condition. SOLD AS IS. NO REFUNDS. NO RETURNS. Please ask questions or requests. Shipping quote is for the Continental USA only.
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RCA 5AR4 / GZ34 Rectifier Tube JAPAN RARE Tested
Rare made in Japan 5AR4 Rectifier Vacuum Tube. Tested and works. Enjoy 🙂
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Mullard /Sylvania GZ34 5AR4 Rectifier Tube f32 B4H1. Recently Cal.Hickok Tested.
I’ve been holding on to a bunch of rectifier tubes. Time to let them go. Tested with a recently calibrated Hickok 6000 tester. Both plates tested. Good condition. SOLD AS IS. NO REFUNDS. NO RETURNS. Please ask questions or requests. Shipping quote is for the Continental USA only.
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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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Match Pair 1962 RCA 5R4GYB Black Plate Rectifier Tubes 539C Test NOS 🌊
NOS but show signs of prior usage. Date codes are also matching. Gas (Grid Current)Test: Passed. Test results will vary between testers as it is not an exact science. Very good sounding tube.
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Matched Pair Telefunken ECC81 Tubes Germany Diamond Emblem Test NOS on TV-7B/U
Tube 1 tests balanced at 92/92 and tube 2 at 92/88 with 50 being the minimum score for a good tube (with 65% life remaining).
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1 or more NOS Mullard CV569 ECC35 6SL7GT *was Sealed* RU3 Brown Base Vacuum Tube
Tube Type: CV569 / ECC35 – Dual Triode (British military designation CV569). CV569 = ECC35. Opened only for photography. Etched codes “RU3”. Fat brown base. One of the rarest dual triode finds in this condition.