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S50HU; Siera; Eindhoven NL (ID = 626020) Radio S50HU; Siera; Eindhoven NL (ID = 626023) Radio
S50HU; Siera; Eindhoven NL (ID = 626021) Radio S50HU; Siera; Eindhoven NL (ID = 626022) Radio
S50HU; Siera; Eindhoven NL (ID = 626024) Radio S50HU; Siera; Eindhoven NL (ID = 1229590) Radio
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S50HU; Siera; Eindhoven NL (ID = 626020) Radio
Siera; Eindhoven NL: S50HU [Radio] ID = 626020 905x627
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For model S50HU, Siera; Eindhoven (NL):
Kaunas Lithuania
Country:  Netherlands
Manufacturer / Brand:  Siera; Eindhoven (NL)
Year: 1938/1939 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: EK2 EF9 CBL1 CY1 C1 or C9
Main principle Superheterodyne (common); ZF/IF 128 kHz; 1 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Power type and voltage AC/DC-set / 110-125; 200-225 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch
Power out
from Model: S50HU - Siera; Eindhoven NL
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 510 x 290 x 235 mm / 20.1 x 11.4 x 9.3 inch
3 Band reception:
  • LW: 708 - 2000 m.
  • BC: 198 - 585 m.
  • SW: 16,7 - 51 m.
Tuning scale light bulb type: 8092 (10V, 200mA).
Loudspeaker Philips type 9636. Tone control. Current regulator C1 used for 200 - 225 V mains, C9 used for 110 - 130 V mains.
This model is comparable with Jura J50HUFenno S50HU and Philips 470HU.
As opposed to model S50A, this radio has no connectors for an external speaker or for pick-up.
The difference between the S50U and this S50HU is unclear at this moment. It is possible that the output power is higher in S50HU.
Net weight (2.2 lb = 1 kg) 9.7 kg / 21 lb 5.9 oz (21.366 lb)

Model page created by Zenonas Langaitis. See "Data change" for further contributors.

All listed radios etc. from Siera; Eindhoven (NL)
Here you find 42 models, 40 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.