Zweiröhren-Niederfrequenzverstärker EV89d EVN171
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Telefunken: Zweiröhren-Niederfrequenzverstärker EV89d [Ampl/Mixer] ID = 1062876 933x512
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| Year: 1916 | Category: Audio Amplifier or -mixer | ||||
| Valves / Tubes | 2: EVN171 EVN171 |
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| Main principle | Audio-Amplification |
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| Wave bands | - without |
| Details | |
| Power type and voltage | Storage and/or dry batteries |
| Loudspeaker | - This model requires external speaker(s). |
| Power out | |
| from Radiomuseum.org | Model: Zweiröhren-Niederfrequenzverstärker EV89d [EVN171] - Telefunken Deutschland TFK, |
| Material | Wooden case, TUBES VISIBLE. |
| Shape | Tablemodel, Box - most often with Lid (NOT slant panel). |
| Dimensions (WHD) | 200 x 180 x 90 mm / 7.9 x 7.1 x 3.5 inch |
| Notes | Zweiröhren-Niederfrequenzverstärker EV89d, ab Oktober 1916 mit zwei EVN171. Verstärkung 150-fach. |
| Net weight (2.2 lb = 1 kg) | 3.9 kg / 8 lb 9.4 oz (8.59 lb) |
Model page created by a member from D. See "Data change" for further contributors.
All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Here you find 3459 models, 3030 with images and 2005 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
