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Delta ; Telefongyar, Terta (ID = 2219826) RF-Ampl.
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Delta ; Telefongyar, Terta (ID = 2219826) RF-Ampl.
Telefongyar, Terta: Delta [RF-Ampl.] ID = 2219826 1283x1656
Select picture or schematic to display from thumbnails on the right and click for download.
For model Delta, Telefongyar, Terta (TRT); Budapest:
Perneky Sándor - Rádiómúzeum Alapítvány, Verőce, Hungary,
Country:  Hungary
Manufacturer / Brand:  Telefongyar, Terta (TRT); Budapest
Terta, TRT
Year: 1928 Category: RF (Radio Frequency-) Amplifier
Valves / Tubes 3:
Main principle Radio Frequency Amplification only
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Storage and/or dry batteries
Power out
from Model: Delta - Telefongyar, Terta TRT;
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).

RF pre-stage, with IF amplifier (600m) an ultradyn receiver could be created.

Price in first year of sale 180.00 Pengő
Mentioned in -- Original prospect or advert (BAPO 21/a, 1928. január)

Model page created by Sándor Perneky. See "Data change" for further contributors.

All listed radios etc. from Telefongyar, Terta (TRT); Budapest
Here you find 209 models, 197 with images and 53 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.