Intended specifically for use in mobile communications equipment. New old stock * No longer available for export. MFR: General Electric Company SKU: 6679/12AT7-GE
Designed to decouple the receiver from a common transmitting and receiving antenna during a period of transmission. New old stock * No longer available for export. MFR: Omni Wave SKU: 6322
Designed for use in coaxial cable amplifiers, video amplifiers, broad band IF amplifiers in communication links, and TV equipment. New old stock * No longer available for export. MFR: Amperex SKU: 7737
Designed to function as a oscillator, class C amplifier, or frequency multiplier in the UHF region. New old stock * No longer available for export. MFR: Raytheon, Allison SKU: 5703WA
Designed to function in conditions of high mechanical shock, vibration and high temperatures. New old stock * No longer available for export. MFR: Raytheon SKU: 5702
The red base 5691 is a premium 6SL7 made to last over 10,000 hours and produce low noise. We have a couple of tubes branded GE but are manufactured by RCA. New old stock * No longer available for export. MFR: RCA SKU: 5691
Designed to function as an oscillator, amplifier, mixer or multivibrator at low frequencies to VHF. New old stock * No longer available for export. MFR: General Electric SKU: 407
