Designed to function in rough conditions such as sever shock, vibration, high temperature and altitude. Primarily used in audio amplifiers. New old stock * No longer available for export. MFR: Sylvania SKU: 7762
Designed to function as an oscillator tube with excellent stability over a wide range of frequencies. New Old Stock * New In Box * No longer available for export MFR: RCA SKU: 8058
Designed for use in class C amplifiers as a oscillator, amplifier, or frequency multiplier up to 200MC. New old stock * No longer available for export. MFR: Amperex SKU: 8458
Designed for use as a detector and amplifier at ultra high frequencies. New old stock * No longer available for export. MFR: RCA, Raytheon, GE SKU: 9001
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 relay or measurement applications. New old stock * No longer available for export MFR: CBS SKU: 919