Designed to function as a general power amplifier and as a transistor power amplifier driver. MFR: Sylvania SKU: 12AE7 New old stock * No longer available for export.
Designed to be used as a biased detector, radio frequency oscillator, and mixer tube. MFR: CBS, Raytheon, Sylvania SKU: 12SJ7 New old stock * No longer available for export.
Designed to function as a gated amplifier in a color TV receiver. In such service it acts as a sync separator or sync clipper. MFR: Sylvania SKU: 12CS6 New old stock * No longer available for export.