257U (S257U S 257 U))

Siera; Belgien

Data

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Collections

Country
Belgium

Manufacturer / Brand
Siera; Belgien

Year
1950

Category
Broadcast Receiver - or past WW2 Tuner

Radiomuseum.org ID
73741

Picture
Schematics

257U ); Siera; Belgien (ID = 306201) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306202) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306196) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306197) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306198) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306200) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306191) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306192) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306193) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306194) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306195) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 306190) Radio — Siera; Belgien 257U ) (3)

257U ); Siera; Belgien (ID = 331266) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 553902) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 553903) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 72693) Radio — Siera; Belgien 257U ) (1)
Front

257U ); Siera; Belgien (ID = 91763) Radio — Siera; Belgien 257U ) (1)
Dial glass written in Portuguese language

257U ); Siera; Belgien (ID = 800989) Radio — Siera; Belgien 257U ) (1)
My own collection

257U ); Siera; Belgien (ID = 1763226) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 1763228) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 1763231) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 2848498) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 2848500) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 2848501) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 2848502) Radio — Siera; Belgien 257U ) (1)

257U ); Siera; Belgien (ID = 2848503) Radio — Siera; Belgien 257U ) (1)

Click on the schematic thumbnail to request the schematic as a free document.

Technical Specifications

Number of Tubes
5

Valves / Tubes
UCH42 UAF42 UBC41 UL41 UY41

Main principle
Superheterodyne (common); ZF/IF 452 kHz

Wave bands
Broadcast plus 2 Short Wave bands.

Power type and voltage
AC/DC-set / 110/220 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 15 cm = 5.9 inch

Material
Bakelite case

from Radiomuseum.org
Model: 257U ) - Siera; Belgien

Shape
Tablemodel without push buttons, Mantel/Midget/Compact up to 14

Dimensions (WHD)
272 x 205 x 160 mm / 10.7 x 8.1 x 6.3 inch

Net weight (2.2 lb = 1 kg)
3.2 kg / 7 lb 0.8 oz (7.048 lb)

Literature/Schematics (1)
-- Schematic

Author
Model page created by Mario Coelho. See "Data change" for further contributors.

Other Models
Here you find 456 models, 414 with images and 188 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Siera; Belgien

Collections | Museums | Literature

Collections

The model is part of the collections of the following members.

Forum