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S37A (SS37A, Siera Super 37) Tubes AK1, AF2, AB1

S37A ; Siera; Belgien (ID = 1915847) Radio
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S37A ; Siera; Belgien (ID = 1915847) Radio
Siera; Belgien: S37A [Radio] ID = 1915847 457x885
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For model S37A (SS37A, Siera Super 37) Tubes AK1, AF2, AB1, Siera; Belgien:
private collection
Country:  Belgium
Manufacturer / Brand:  Siera; Belgien
Year: 1934 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: AK1 AF2 AB1 SP4 PM24M DW2X
Main principle Superheterodyne (common); ZF/IF 104 kHz
Wave bands Broadcast (MW) and Long Wave.
Power type and voltage Alternating Current supply (AC) / 105-115; 120-130; 140-160; 210-230; 240-260 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21 cm = 8.3 inch
Power out
from Model: S37A [Tubes AK1, AF2, AB1] - Siera; Belgien
Material Wooden case
Shape Tablemodel, high profile (upright - NOT Cathedral nor decorative).
Dimensions (WHD) 350 x 410 x 215 mm / 13.8 x 16.1 x 8.5 inch
2 Band reception:
  • LW: 760 - 1900 m.
  • BC: 200 - 550 m.
Tuning scale light bulbs type: 2 x 8046 (6V, 500mA).
Loudspeaker Philips type 4283. Connectors for second loudspeaker and for pick-up. 
S37A has a varnished walnut and marquetry cabinet. Anti-fading and progressive tone control.
There is a model S37A with Mullard tubes.
Price in first year of sale 2'250.00 BEF
Source of data -- Original prospect or advert
Mentioned in - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)

Model page created by Dirk Bladt. 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.