6AK5 Vacuum Tube – Miniature RF Pentode for VHF/UHF Receiver Front Ends

The 6AK5 is a miniature sharp-cutoff RF pentode built for low-noise gain at VHF/UHF frequencies.

• Tube type: Sharp-cutoff RF pentode
• Base: 7-pin miniature
• Heater: 6.3V AC, 0.175A
• Typical use: RF amplifier front end in VHF/UHF receivers; military/commercial equivalent EF95/5654

Common in vintage communications and test equipment as well as radios.