Designed for the tetrode to be used in relay signal seeker purposes while the triode is used as a general purpose triode MFR: Sylvania SKU: 12DY8 New old stock * No longer available for export.
Designed for the tetrode to be used in relay signal seeker purposes while the triode is used as a general purpose triode MFR: Sylvania SKU: 12DY8 New old stock * No longer available for export.