6C4, 6C5, 6C5-GT | Electronic Vacuum Tube Specifications - KBápps.com
The Big Tube Data Page
EC90 / 6C4
David Newkirk Writings: Enjoying Radio: Seventy-Five Years of the Boosted Pierce
Two Tube AM Transmitter
M8080, ZAERIX SPECIAL QUALITY 6C4, BOXED NOS, CV133, CV852, EC90, L77, – MULLARD MAGIC
SM5CBW - Tubedata
6C4, Tube 6C4; Röhre 6C4 ID2842, Triode, vacuum | Radiomuseum.org
Untitled
Sylvania Technical Manual 1949
6C4, Tube 6C4; Röhre 6C4 ID2842, Triode, vacuum | Radiomuseum.org
6C4 @ The Valve Museum
6C4 ( EC90 ) RCA NOS NIB Black Plates Square Getter AMPLITREX Tested T – Vacuum Tubes Treasures
6BJ6 | SYLVANIA | PENTODE TUBE At 5 € HT on Electols
6C4, Tube 6C4; Röhre 6C4 ID2842, Triode, vacuum | Radiomuseum.org
My Vacuum Tube Frequency Synthesizer | Electronics Forum (Circuits, Projects and Microcontrollers)
Sylvania Technical Manual 1959
6C4 | TOSHIBA | TRIODE AUDIO TUBE At 7 € HT on Electols
6C4 ( EC90 ) RCA NOS NIB Black Plates Square Getter AMPLITREX Tested T – Vacuum Tubes Treasures
Sylvania Technical Manual 1959
EC90 Datasheet | S.Q. Tube
12AX7 - Wikipedia
Sylvania Technical Manual 1959
Daten und Bilder der Röhre: 6C4
