unknown ; Helo, Helsinki (ID = 155948) Radio unknown ; Helo, Helsinki (ID = 155949) Radio
unknown ; Helo, Helsinki (ID = 155950) Radio unknown ; Helo, Helsinki (ID = 155951) Radio
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unknown ; Helo, Helsinki (ID = 155948) Radio
Helo, Helsinki: unknown [Radio] ID = 155948 640x480
Select picture or schematic to display from thumbnails on the right and click for download.
For model unknown, Helo, Helsinki
Country:  Finland
Manufacturer / Brand:  Helo, Helsinki
alternative name
Radiotehdas Helo, Helsinki
Year: 1928 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 3: RE084 RE074 L4
Main principle TRF with regeneration; 2 AF stage(s)
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Model: unknown - Helo, Helsinki
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 475 x 200 x 225 mm / 18.7 x 7.9 x 8.9 inch
Net weight (2.2 lb = 1 kg) 6 kg / 13 lb 3.5 oz (13.216 lb)

Model page created by Eero Ukkola. See "Data change" for further contributors.

All listed radios etc. from Helo, Helsinki
Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.