Designed to be used as a triode oscillator and hexode mixer in a superheterodyne amplifier. MFR: RCA, Kenrad SKU: 12K8 New old stock * No longer available for export.
Designed to operate in the output stages of AC or DC receivers. New old stock * No longer available for export. MFR: RCA, GE, Zaltron, Sylvania SKU: 12V6GT
Designed to function as a resistance coupled amplifier or combined vertical oscillator and vertical deflection amplifier in TV receivers MFR: Philco, GE, RCA, Sylvania, Westinghouse, Raytheon, international Servicemaster SKU: 12SN7GTA New old stock * No longer available for export.