International PTT Line Triodes
This is a draft page, updated by accident ;-)
I'm trying to collect any data on PTT line triodes, mainly on older tube types with large bases. I got a good impression on German, American, British and Netherlands' tubes. Actually I'm lacking mostly informations on PTT triodes from France.
Tube data
| Type | Socket | Vf(V) | If(A) | Plate Voltage (V) | Plate Current (mA) | Plate Resistance (kOhm) | Grid Voltage (V) | Amplification Factor (µ) | Country | Misc. |
| Aa | Reichspost 5-pin | 3,80 | 0,50 | 220 | 3,00 | 30,0 | -2,0 | 30,0 | Germany | = TS27 = PTT1 |
| Ba(s) | Reichspost 5-pin | 3,50 | 0,50 | 220 | 3,00 | 25,0 | -6,0 | 15,0 | Germany | = TS3 = PTT2 (Bas = TS6 = PTT2S) |
| Be | Reichspost 5-pin | 3,80 | 0,50 | 130 | 8,00 | 5,0 | -4,5 | 12,0 | Germany | = TS31 |
| Bh | Reichspost 5-pin | 3,80 | 0,16 | 130 | 8,00 | 5,0 | -4,0 | 12,0 | Germany | = TS28 |
| Bi | Reichspost 7-pin | 4,00 | 1,10 | 220 | 10,00 | 11,0 | -3,0 | 27,0 | Germany | = PTT100 = TS32 |
| Bo | Reichspost 5-pin | 1,70 | 1,10 | 200 | 3,00 | -6,0 | Germany | = PTT.O | ||
| Ca | Reichspost 5-pin | 3,65 | 1,10 | 220 | 20,00 | 4,1 | -12,0 | 6,8 | Germany | power tube Pa 5W |
| TS4 | UV | 4,40 | 0,97 | 130 | 8,00 | 6,0 | -9,0 | 6,0 | Netherlands | |
| TS8 | UV | 4,00 | 0,25 | 130 | 8,00 | 5,5 | -8,0 | 7,0 | Netherlands | |
| TS11 | UV | 4,00 | 0,25 | 130 | 7,00 | 5,5 | -4,5 | 11,0 | Netherlands | |
| TS13 | Reichspost 5-pin | 1,70 | 1,10 | 220 | 3,0 | 25,0 | -6,0 | 15,0 | Netherlands | similar Bo |
| PTT10 | UV | 4,25 | 0,97 | 130 | 10,0 | 5,5 | -9,0 | 5,5 | France | |
| PTT10F | Europe 4-pin | 4,25 | 0,97 | 130 | 10,0 | 5,5 | -9,0 | 5,5 | France | |
| 3A/101B | Europe 4-pin | 4,50 | 1,00 | 130 | 6,20 | 6,5 | -12,0 | 6,5 | UK | |
| 3A/102B | Europe 4-pin | 2,10 | 1,00 | 130 | 0,75 | 60,0 | 30,0 | UK | ||
| 3A/105B | Europe 4-pin | 13,00 | 0,19 | 250 | 9,00 | -2,5 | 40,0 | UK | with grid cap | |
| 3A/107A | UV | 4,00 | 0,25 | 190 | 9,70 | 4,9 | -14,0 | 7,0 | UK | = 101L = 4019-A |
| 3A/107B | Europe 4-pin | 4,00 | 0,25 | 190 | 9,70 | 4,9 | -14,0 | 7,0 | UK | = 4019-B |
| 3A/108A | UV | 2,00 | 0,25 | 190 | 0,92 | 50,0 | -1,5 | 30,0 | UK | = 102L = 4020-A = AR12 |
| 3A/108B | Europe 4-pin | 2,00 | 0,25 | 190 | 0,92 | 50,0 | -1,5 | 30,0 | UK | = 4020-B |
| 3A/109A | UV | 4,00 | 0,25 | 160 | 32,50 | 1,8 | -4,5 | 6,0 | UK | = 4021-A = TS20 |
| 3A/109B | Europe 4-pin | 4,00 | 0,25 | 160 | 32,50 | 1,8 | -4,5 | 6,0 | UK | = 4021-B |
| 3A/110A | UV | 4,00 | 0,25 | 130 | 6,5 | 5,5 | 12,0 | UK | = 4022-A | |
| 3A/110B | Europe 4-pin | 4,00 | 0,25 | 130 | 6,5 | 5,5 | 12,0 | UK | = 4022-B | |
| 3A/141A | UV | 4,50 | 1,00 | 130 | 5,00 | 7,0 | -12,0 | 5,9 | UK | = 101D |
| 3A/142A | UV | 4,50 | 1,00 | 130 | 0,58 | 63,0 | -1,5 | 29,8 | UK | = 102D |
| 3B/151A | UV | 4,50 | 1,60 | 350 | 35,00 | 3,9 | -18,0 | 7,3 | UK | power tube Pa 15W |
| VT38 | UV | 4,50 | 0,82 | 150 | 5,5 | -5,0 | 9,5 | UK | = CV1645 = E133 | |
| 101D | UV | 4,50 | 1,00 | 190 | 8,35 | 5,6 | -18,0 | 6,0 | USA | |
| 101F | UV | 4,10 | 0,50 | 190 | 7,50 | 5,4 | -16,0 | 6,5 | USA | |
| 101L | UV | 4,15 | 0,25 | 130 | 6,80 | 6,0 | -8,0 | 6,5 | USA | low current 101F |
| 101M | UV | 4,10 | 0,25 | USA | quick heating 101L | |||||
| 102D | UV | 2,10 | 1,00 | 130 | 0,80 | 58,0 | -1,5 | 29,6 | USA | |
| 102F | UV | 2,10 | 0,50 | 130 | 0,85 | 50,0 | -1,5 | 31,0 | USA | |
| 102L | UV | 2,10 | 0,25 | 130 | 0,85 | 50,0 | -1,5 | 31,0 | USA | low current 102F |
| 104D | UV | 4,50 | 1,00 | 130 | 14,5 | 2,6 | -30 | 2,3 | USA | = 3A/144A |
| 244A | UX5 | 2,00 | 1,60 | 135 | 5,50 | 10,0 | 10,1 |