Tubes - Transmitting, Audio, Misc.

Designed to operate as a rectifier tube in AC and AC-DC amplifier circuits.
New old stock * No longer available for export.
MFR: Tung Sol, Cunningham, Pro Comm
SKU: 35Z3

Designed for use in the power supply of AC operated equipment.
New old stock * No longer available for export.
MFR: Tung-Sol, RCA, National Union
SKU: 80-TUBULAR

Designed for use in resistance coupled circuits as a voltage amplifier or phase inverter

New old stock * No longer available for export.
MFR: Tung-Sol
SKU: 6SL7WGT-JAN-CTL-TS

Designed for use in resistance coupled circuits as a voltage amplifier or phase inverter. Black base and band on glass.
MFR: Tung-Sol
SKU: 6SL7GT-GP-TS
New old stock * No longer available for export.

Designed to operate as a pulse modulator.
New old stock * No longer available for export.
MFR: Tung Sol, MU Incorporated
SKU: 3D21WB

Designed to function as a combined AM detector, FM detector, and audio frequency voltage regulator.
New old stock * New In Box * No longer available for export.
MFR: Westinghouse, Tung Sol, Zytron
SKU: 5T8

Two Mica, Grey Plate, and a round Halo Getter. Used in audio amplifiers.
MFR: Tung Sol
SKU: 12AY7
New Old Stock * No longer available for export

This tube was used in Swan Amplifiers.
New old stock * No longer available for export
MFR: Tung-Sol, USA
SKU: 6HF5-TS

New old stock / New in box * No longer available for export
MFR: Sylvania, USA 
SKU:12AT7WA-TS