6U8A @ The Valve Museum
6U8A JAN Philips / 7199 Substitute | TubeDepot.com
6GH8A National Pentode Triode Vintage Miniature Vacuum Tube 9-Pin NOS New Old Stock in Box
6U8A | SIEMENS | TRIODE-PENTODE TUBE At 12 € HT on Electols
RCA 6678 6U8A Vacuum Tube Black Plates New Old Stock - Etsy Norway
Using the Pentode/Triode Tube as the Amplifier/Phase Splitter.
miscellaneous-schematics2
Nostalgia Air: Tube Substitution for 6U8A
ElectronTubeStore.com
ECF82 / 6U8A / 6KD8 EI/Y
6EA8 National Sharp Cut Off Pentode Triode Miniature Vacuum Tube 9-Pin NOS New Old Stock in Box
Tung Sol 6678 6U8A Vacuum Tube Black Plates New Old - Etsy Israel
6U8A Philips JAN Vacuum Tube
6U8A/6KD8/6AX8 SYLVANIA Sharp-Cutoff Pentode Medium-Mu Triode Vintage Miniature Vacuum Tube 9-Pin NOS New Old Stock in Box
7199 @ The Valve Museum
6U8A JAN
6U8A | RCA | TRIODE-PENTODE TUBE At 9 € HT on Electols
SM5CBW - Tubedata
6U8A, Tube 6U8A; Röhre 6U8A ID3986, Triode-Pentode | Radiomuseum.org
Tube type list
TDSL Tube data [ECF82]
TubeDepot.com | 6U8A
ECF82 aka 6U8A aka 6F2 - any good sounding? | diyAudio
