Similiar to the ECH81. The triode heptode was designed for the role of frequency changer (mixer) in superhet receivers for AM reception. New Old Stock * No longer available for export MFR: Amperex * Made in Austria SKU: ECH83-BugleBoy-Amp
For use as a frame output tube and frame oscillator or pulse amplifier in television receivers. Can replace 18GV8 / PCL85 tube types. New Old Stock* No longer available for export MFR: Amperex * Made in Holland SKU: PCL85