6AH6

Miniature 7-pin sharp-cutoff pentode featuring an exceptionally high transconductance-to-current ratio, designed as a wideband RF/IF voltage amplifier up to 400 MHz in communications gear. Equivalents: 6AH6V, 6485, CV2526. Real-Life Examples: Tektronix 511A oscilloscopes, classic Collins amateur radio receivers, commercial VHF line amplifiers.