Features high transconductance with low grid-plate capacitance and a dual cathode connection to minimize effects of common cathode circuit coupling. MFR: GE, Sylvania SKU: 12SG7 New old stock * No longer available for export.
Designed for service as a diode detector, AVC rectifier, and as a high gain resistance coupled amplifier in AC and DC operated receivers. MFR: Sylvania, CBS, RCA, GE SKU: 6Q7 New old stock * No longer available for export.
Designed for used in TV receivers and in frequency divider and complex-wave generator circuits of electronic musical instruments. MFR: Tung-Sol, RCA SKU: 6FA7 New old stock * No longer available for export.
Designed for use as a combined detector, audio amplifier and automatic volume control tube. MFR: RCA, Sylvania SKU: 12SR7 New old stock * No longer available for export.
Designed to operate as a diode detector, avc rectifier and as a audio amplifier in AC, AC-DC, and DC circuits. MFR: RCA, GE SKU: 12SW7 New old stock * No longer available for export.
