Special Purpose

Designed to be used in IF amplifiers, carrier systems and oscilloscopes.
New old stock * No longer available for export
MFR: RCA
SKU: 5847-RCA

New old stock * No longer available for export
MFR: RCA, CBS
SKU 5687

Designed to function as a general purpose triode acting as a oscillator, detector, or amplifier.
New old stock * No longer available for export.
MFR: RCA, National Union, Sylvania, Mission Bell Radio
SKU: 76

Designed to function as a red radiation detector in relay or measurement applications.
New old stock * No longer available for export.
MFR: Continental Electric, RCA
SKU: 918

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 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 primarily to be used as a relay control tube.
New old stock * No longer available for export.
MFR: RCA, GE, CEI 
SKU: 5823

For use in audio amplifiers. The Useful operating range extends from low frequencies through the VHF region.

• Heater Voltage, AC or DC: 6.3 Volts
• Heater Current: 0.35 Amperes

New old stock * No longer available for export
MFR: RCA
SKU: 5670-RCA-COMMAND

NOTE: Picture for reference only. Box appearance and tube appearance may change.