List of vacuum tubes - Wikipedia
Dati di valvole - tubes data
Remote tuning for the high-c VFO
Antique Radio Forums • View topic - 6AU6 vs 6AK5
SM5CBW - Tubedata
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
Download - Vacuum-Tube-Shop
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
6CB6 @ The Valve Museum
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
Parallel-NFB Push-Pull 6L6 Amplifier Idea - Please criticize it! | diyAudio
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
Had to take some shots of this 6CB6 Pentode with such an open internal design : r/electronics
6BM8 Super Triode amp.
6CB6, Tube 6CB6; Röhre 6CB6 ID3719, Vacuum Pentode | Radiomuseum.org
Tube type list
6CB6, Tube 6CB6; Röhre 6CB6 ID3719, Vacuum Pentode | Radiomuseum.org
Little Dot Tube Amps: Vacuum Tube Rolling Guide | Page 874 | Headphone Reviews and Discussion - Head-Fi.org
