6L6GC Vacuum Tube – Octal Beam Tetrode Output Tube for American-Voiced Guitar Amps

The 6L6GC is an octal beam power tetrode and the classic American output tube — the sound behind Fender's clean, headroom-forward voicing.

• Tube type: Beam power tetrode
• Base: Octal 8-pin
• Heater: 6.3V AC, 0.9A
• Typical use: Output stage in Fender-style guitar amps and American-voiced hi-fi amplifiers

Direct output-stage swap for amps built around 5881/6L6GB designations.