Tube type list
Simple Valve Amplifier Circuits.
Sylvania Technical Manual 1943
Tube type list
6J7 vs 6SJ7 Pinout | Randy Stafford | Flickr
Tube type list
6J7G, Tube 6J7G; Röhre 6J7G ID2694, Vacuum Pentode | Radiomuseum.org
The Big Tube Data Page
The Big Tube Data Page
Tung Sol 6J7 Vacuum Tube New Old Stock Original Box - Etsy
Tube type list
Sylvania Technical Manual 1949
GE 6J7 Vacuum Tube Late Production Matte Paint New Old Stock Original Box General Electric - Etsy Sweden
Tube List (English)
6J1 Datasheet(PDF) - List of Unclassifed Manufacturers
Tube type list
Download - Vacuum-Tube-Shop
Tube type list
Sylvania Technical Manual 1949
6J7, Tube 6J7; Röhre 6J7 ID2098, Vacuum Pentode | Radiomuseum.org
6J7G, Tube 6J7G; Röhre 6J7G ID2694, Vacuum Pentode | Radiomuseum.org
TORPEDO Tubes
Vacuum Tube - 6J7G, Pentode, Sharp Cut-Off | Antique Electronic Supply
SM5CBW - Tubedata
SM5CBW - Tubedata
6J7 Vacuum Tube | 6J7 | Electro-Harmonix
