(2) CEI EL84 / 6BQ5 Vacuum Tubes. Removing from old storage we found lot of early tubes. Tube box may have faded logo or missing labels.
Item Tag: CEI
4 X Tube 6688 E180F Gold Pins In Own CEI Old Carton Germany Akin Of E280F D3a
Two Pair (4) Audio tubes 6688 / E180F in old carton well-aged. Images are for General View. Some variation are possible. All in golden pins. All came in as a lot same time. Dozens sold. Widely used in professional Audio radio and testing equipments The improved version of E80F? Wide-Band Full Range 10,000 hours Long Life Pentode with Ultra-Low-Noise/Micrfonic? Sound Element Ideal for high end input stage for DIYer Unusual Quality Special Rate for delivery to China Taiwan Hongkong and Korea. electube Note: If you want More than pair please see our other auction.
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1974 CEI RFT Germany 6CA7 EL34 Power Tube TV7&Maxi Test NOS NIB 🔊
RFT construction = Dimple Top, 2 hole, single O getter. Mutual Conductance (GM)Test: 47 (46 = NOS AVERAGE & 30 = Good MINIMUM). Test results will vary between testers as it is not an exact science. I also use variac at 120 volts with my testers.