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