Tubes - Transmitting, Audio, Misc.

Designed to function as a red and infrared radiation detector in sound reproduction applications
New old stock * No longer available for export
MFR: RCA, CBS, Westinghouse
SKU: 920

Designed to function as a photodetector tube in relay systems where very high light sensitivity is needed.
New old stock * No longer available for export.
MFR: RCA
SKU: 931A-RCA

Designed to be highly sensitive in the red and infrared spectrum of radiation.
New old stock * No longer available for export
MFR: Cetron
SKU: 1P36

Designed to function as a red and infrared radiation detector in sound reproduction applications
New old stock * No longer available for export
MFR: CBS
SKU: 1P31-CBS

Designed to function as a power output tube in light weight compact equipment.
New old stock * No longer available for export.
MFR: RCA
SKU: 12L8GT

Designed to function as a beam power amplifier tube in radio transceiver.
New old stock * No longer available for export.
MFR: RCA
SKU: 1619

Acorn type detector, amplifier, and oscillator tube
New old stock * No longer available for export.
MFR: RCA
SKU: 955

Designed to be used as a beam power amplifier in applications requiring continuity of operation.
New old stock * No longer available for export.
MFR: GE, Sylvania
SKU: 1622

Ceramic planar triode S=35mA/V, mu 70, 10W plate dissipation. Can be used as pulsed amplifier up to 4Ghz or as frequency multiplier at 1GHz. Up to 3.5KV and 3A plate as pulsed class-C amplifier.
New old stock * No longer available for export.
MFR: RCA
SKU: 4055