JAN6SJ7Y

Premium military-contract version of the octal 8-pin sharp-cutoff pentode featuring a low-loss micanol base designed for exceptionally stable small-signal audio and RF amplification. Equivalents: 6SJ7, 6SJ7GT, 5693 (premium red-base), VT-116. Real-Life Examples: US military field radar audio stages, precision laboratory test instruments, military aircraft radio amplifiers.