Type 12AX7A (ECC83) vacuum tube. (Triode#1 / Triode#2). Hickok TV-7B/U tested. Hickok TV-7B/U is a mutual conductance type tube tester. Tested, strong tube! Tube features gray-ribbed-plates and a ‘Halo-Ring ‘ getter on top.
Item Tag: Toshiba 12AX7A
12AX7A/ECC83 Close Matched Pair Toshiba HiFi Tubes Test Strong Halo Grey Plates
These tubes have a robust, rigid construction. These two tubes are fully tested, they’re free of any leaks, shorts, or emissions issues. Feel free to reach out.
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Pair of Vintage 1965 Japan 12AX7A for Baldwin Organs – TV-7 Test Strong
Short gray ribbed plates with top halo getter. Known for their excellent tonal qualities. Baldwin got the best of the best low-noise tubes. Although used, these tubes are testing excellent and the pair you will receive will test at least 90% of minimum new spec (49/49) on each triode on my TV-7 tester (e.g., 45/48).