BIRD Digital RF

Designed for high frequency voltage amplification
MFR: Tung Sol, Sylvania, Hytron
SKU: 7V7
New old stock * No longer available for export.

Designed to be used as an audio amplifier tube
New old stock * New In Box * No longer available for export.
MFR: Tung-Sol
SKU: 6189-TS

Designed to be used as a high gain voltage amplifier and a cathode type phase inverter
New old stock * No longer available for export.
MFR: Tung Sol
SKU: 7247-TS

Designed for computer applications.
New Old Stock * New In Box * No longer available for export
MFR: GE
SKU: 7719

Designed to be used as a high gain voltage amplifier and a cathode type phase inverter
This tube can replace 7247
New old stock * No longer available for export.
MFR: Sylvania, USA
SKU: 12DW7-SYL

Two Mica, Grey Plate, D-shape getter

New Old Stock * No longer available for export
MFR: Dumont
SKU: 12AY7-DU

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

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