A very large, forced-air-cooled transmitting tetrode introduced in the 1960s. I have one Rare Mullard QY5-3000A transmiting tube.The Mullard QY5-3000A is.
Item Tag: Mullard
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Mullard EL34 Matched Quad–Open Box–Tested Strong
For sale is an open box matched quad of Mullard EL34 vacuum tubes (made in Russia). These tubes have about 30 minutes burn-in time on them from my guitar amp, but otherwise are in like-new condition. The tubes test as new on a Hickok 533A for transconductance (Gm) and also on a Sencore TC162 for shorts, emission and grid leakage. No returns.
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Matched Quad Mullard XF2 EL34/6CA7 Tubes Dual O Getter Welded Plates For GE
This is for a rare quad of Mullard EL34 Gt Britain tubes labeled for sale by GE. These are coveted XF2 tubes slightly used but with plenty of life left on them and closely matched for transconductance. They have been thoroughly checked out on my calibrated Hickok 752a and are performing beautifully.
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Mullard 5814A 12AU7 Sleeve 4 NOS, 1 Dud
This is a sleeve of 5 NOS Mullard 5814A/12AU7A tubes. One tube lost its vacuum and is a dud, but is included anyway. Of the other four, two are black plates and two are gray plates. All are triple mica with “Mullard” and “Made in USA” printed on the glass. TV-7 test data is as follows (left to right in the photo): Tube 1: dudTube 2:86 86Tube 3:72 82Tube 4:96 100Tube 5:84 88 A reading of 86 would be new/nominal for a 12AU7 on a TV-7, so these are all measuring excellently, save for one of the triodes on tube #3.
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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.
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MATCHED PAIR MULLARD 12AT7 ECC81 Shield Logo GT Britain VACUUM TUBES 10.9883
Model 12AT7. Manufacture Date Q1 1963 and Q1 1962 — Mullard Blackburn factory. Country Great Britain. Variant Shield Logo. Results: 78. /80 and 80/80. Plate Short Grey. Getter Top O.
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QTY 25 – EMPTY WHITE VACUUM TUBE BOXES – For 6V6GT, 6SN7GT, 12SK7… & Similar
WORLDWIDE SHIPPING AVAILABLE———————————————————————————————-QTY 25 1-1/4″ x 1-1/4″ x 3-11/16″
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12AX7/ECC83 Mullard Long Plate 161 code MaxiPreamp2/TV7 tested ( 1 ) tube lot
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.