Tubes - Transmitting, Audio, Misc.

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 for use in AVC in RF and IF amplifiers and they minimize cross modulation.
MFR: Philco, Sylvania, RCA
SKU: 12SK7
New old stock * No longer available for export.

Designed for use in resistance coupled circuits as a voltage amplifier or phase inverter.
MFR: GE, Philco, Sylvania, RCA
SKU: 12SL7GT
New old stock * No longer available for export.

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.

New Old Stock * No longer available for export
MFR: National Union /  Sylvania
SKU: 12SQ7GT

12T10 Tube Dissimilar Double Pentode

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 vertical scanning output tube.
MFR: RCA, Raytheon, Sylvania
SKU: 12W6GT
New old stock * No longer available for export.

12MD8 Tube Triple Triode