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Octadyn ; Telefongyar, Terta (ID = 531813) Radio
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Octadyn ; Telefongyar, Terta (ID = 531813) Radio
Telefongyar, Terta: Octadyn [Radio] ID = 531813 700x301
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For model Octadyn, Telefongyar, Terta (TRT); Budapest:
Magyar Wolframlámpagyár, Kremenezky János Rt. katalógusa ~ 1926. STS documentation.
Country:  Hungary
Manufacturer / Brand:  Telefongyar, Terta (TRT); Budapest
Terta, TRT
Year: 1926–1928 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 8:
Main principle Superhet with RF-stage
Wave bands Broadcast, Long Wave and Short Wave.
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Model: Octadyn - Telefongyar, Terta TRT;
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes The Octadon 8-tube super-receiver is a newer version of the Hexadon set due to the newly included further two phases of amplifier. Its substantial amplification makes it possible to receive European stations with frame antennas through speaker. With voltmeter (tubes control). 3 bands: 50-200, 200-700, 700-2000 m.
Literature/Schematics (1) Magyar Wolframlámpagyár, Kremenezky János Rt. katalógusa ~ 1926. STS

Model page created by Sandor Selyem-Tóth. 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.