6BC5

Miniature 7-pin high-transconductance sharp-cutoff pentode designed specifically to function as a wideband radio-frequency (RF) or intermediate-frequency (IF) amplifier in VHF television tuners. Equivalents: 6CE6, CV2523. Real-Life Examples: Early 1950s monochrome television tuners, vintage standalone FM receiver front-ends, consumer-grade alignment signal generators.