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S147U; Siera; Belgien (ID = 1912031) Radio S147U; Siera; Belgien (ID = 1912032) Radio
S147U; Siera; Belgien (ID = 1912033) Radio S147U; Siera; Belgien (ID = 1912034) Radio
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S147U; Siera; Belgien (ID = 1912031) Radio
Siera; Belgien: S147U [Radio] ID = 1912031 405x317
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For model S147U, Siera; Belgien:
Private library
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1946 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: ECH3 ECF1 CBL6 CY2
Main principle Superheterodyne (common); ZF/IF 472 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast, Long Wave and Short Wave.
Power type and voltage AC/DC-set / 110; 127 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch
Power out
from Model: S147U - Siera; Belgien
Material Bakelite case
Shape Tablemodel without push buttons, Mantel/Midget/Compact up to 14
Dimensions (WHD) 310 x 210 x 170 mm / 12.2 x 8.3 x 6.7 inch

With pull down tuning dial. The dial lamp can be a 24 Volt / 50mA.

Equivalent to Philips A48U and SFR RA138U.


Ce modèle est conçu uniquement pour réseaux C.A. ou C.C de 110 ou 127 V !
Le fonctionnement sur 220 V nécessite un transformateur ou l'adjonction d'une resistance externe de 300Ω.


This model operates only on 110 or 127 V AC/DC mains voltage!
Operation on 220 V requires a step-down transformer or adding an external series resistor of 300Ω.


Price in first year of sale 3'550.00 BFR
Source of data -- Original prospect or advert
Literature/Schematics (1) -- Schematic (from Philips A48U)

Model page created by John Koster. See "Data change" for further contributors.

All listed radios etc. from Siera; Belgien
Here you find 434 models, 393 with images and 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.