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Zwerg GWZ131 Holzgehäuse

Zwerg GWZ131; Tefi-Apparatebau; (ID = 2131336) Radio
Zwerg GWZ131; Tefi-Apparatebau; (ID = 2131337) Radio
Zwerg GWZ131; Tefi-Apparatebau; (ID = 2398183) Radio
Zwerg GWZ131; Tefi-Apparatebau; (ID = 2398184) Radio
Zwerg GWZ131; Tefi-Apparatebau; (ID = 1361567) Radio Zwerg GWZ131; Tefi-Apparatebau; (ID = 1361569) Radio
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Zwerg GWZ131; Tefi-Apparatebau; (ID = 1361567) Radio
Tefi-Apparatebau;: Zwerg GWZ131 [Radio] ID = 1361567 720x519
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For model Zwerg GWZ131 Holzgehäuse, Tefi-Apparatebau; Porz bei Köln
Country:  Germany
Manufacturer / Brand:  Tefi-Apparatebau; Porz bei Köln
Year: 1947 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3: RV12P2000 RV12P2000 RV12P2000
Semiconductors (the count is only for transistors) Tr.Gl.=Metal-rectif.
Main principle TRF with regeneration
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage AC/DC-set / 110; 220 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
Power out 1 W (unknown quality)
from Model: Zwerg GWZ131 [Holzgehäuse] - Tefi-Apparatebau; Porz bei
Material Wooden case
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).
Dimensions (WHD) 154 x 108 x 110 mm / 6.1 x 4.3 x 4.3 inch

Tefi Zwerg GWZ131 im Holzgehäuse, wohl Kleinserie.
Skala Kunststoff. Technisch wie Zwerg GWZ131 im Bakelitgehäuse.

Net weight (2.2 lb = 1 kg) 1.5 kg / 3 lb 4.9 oz (3.304 lb)
Collectors' prices  

Model page created by Wolfram Zylka. See "Data change" for further contributors.

All listed radios etc. from Tefi-Apparatebau; Porz bei Köln
Here you find 111 models, 98 with images and 96 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.