6X8 Triode-Pentode Vacuum Tube

The 6X8 is a miniature triode-pentode vacuum tube designed for versatile use in electronic applications. With a medium mu triode and a sharp cutoff pentode contained in a single envelope, this tube is ideal for use as a combined triode oscillator and pentode mixer in television and FM receivers. It features a 9-pin miniature (B9A) base, also known as Noval or USA pico-9.