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Vacuum Tubes Low Voltage 12V Space Charge 12AD6 - 12FM6 Electronic Auto Radio

These "12" group Space Charge Low Anode Volrage 12V-16V OddMix Vacuum Tubes - by and large - uses 12 Volt for filament and anode voltage comprise a few of the rare, vintage, exotic, original, collector's vacuum tubes, electron tubes and thermionic valves. The entire group was discontinued as of 1968! These tubes are miniature size, seven or nine pin tubes made mostly for mobile communications like car radio, marine, boat, police etc. They were made by a variety of companies decades ago at the "good old times". First come first serve as only a few - as seen in this table - of each of these rare historical vacuum tubes available!
TYPE FUNCTION QTY MADE BY PRICE
12AD6 Pentagrid Converter                 - 12 V Anode! 1 GE $50
12AD6 Pentagrid Converter                 - 12 V Anode! 1 Sylvania
12AE6 Twin Diode, Medium-Mu Triode - 12 V Anode! 1 Sylvania
12AF6 Remote-Cutoff Pentode            - 12 V Anode! 2 Assorted $50
12AF6 Remote-Cutoff Pentode            - 12 V Anode! 1 Philco
12BL6 Remote-Cutoff Pentode            - 12 V Anode! 1 Sylvania
12DS7 Twin Diode, Power Tetrode       - 12 V Anode! 1 Sylvania
12DS7 Twin Diode, Power Tetrode 2     - 12 V Anode! 1 Sylvania
12DU7 Twin Diode, Power Tetrode       - 12 V Anode! 1 Sylvania
12DZ6 Remote-Cutoff Pentode            - 12 V Anode! 2 Sylvania
12EG6 Pentagrid Amplifier                  - 12 V Anode! 1 Philco
12EK6 Remote-Cutoff Pentode            - 12 V Anode! 1 RCA
12FK6 Twin Diode, Low-Mu Triode       - 12 V Anode! 1 RCA
12FM6 Twin Diode, Medium-Mu Triode - 12 V Anode! 1 RCA

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