2 Vintage Sylvania 6BA7 Heptode Mixer Pentagrid Converter Tube Valve- BangyBang Tubes

Brand Sylvania Model 6BA7 Type? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Pentagrid Converter Heptode Controlling mu Use Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC Service as a combined local oscillator + mixer at high frequencies in the FM broadcast band. Similar/Equiv N/A Condition New in Box (NOS) Tubes per listing 2 ? 06BXXX

2 Vintage Sylvania 6BA7 Heptode Mixer Pentagrid Converter Tube Valve- BangyBang Tubes