Designed for service as a cw oscillator, frequency multiplier or grounded grid amplifier. New old stock * No longer available for export. MFR: RCA SKU: 5675
The red base 5621 is a premium 6SN7 made to last over 10,000 hours and produce low noise. New old stock * No longer available for export. MFR: RCA SKU: 5692-RED
Designed for AF and RF power amplifier applications at frequencies up to 160 Mc. New old stock * No longer available for export. MFR: RCA, Amperex, GE, CEI SKU: 5696
Designed to function in a variety of detector applications at UHF and low frequencies. New old stock * No longer available for export. MFR: Sylvania, RCA, Heinz and Kaufman SKU:5896
Tube is primarily used as a mixer and oscillator in superheterodyne circuits MFR: Mullard, GE, RCA SKU: 6BE6 New old stock * No longer available for export
RF power oscillator, amplifier, and frequency amplifier for mobile aircraft equipment. New old stock * No longer available for export. MFR: RCA SKU: 6264