- Manufacturer / Brand
- Siera; Belgien
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- Main principle
- Superheterodyne (common); ZF/IF 128 kHz; 2 AF stage(s)
- Tuned circuits
- 7 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Visual Tuning Indicator pre Eye
- Power type and voltage
- AC/DC-set / 110; 125; 145; 200; 220; 245 Volt
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch
- Wooden case
- from Radiomuseum.org
- Model: S7U - Siera; Belgien
- Tablemodel, high profile (upright - NOT Cathedral nor decorative).
- Dimensions (WHD)
- 390 x 460 x 275 mm / 15.4 x 18.1 x 10.8 inch
3 Band reception:
Tuning scale light bulbs type: 2 x 8045 (6,3V, 320mA) and 1 x 8043 (6,3V, 90mA).Loudspeaker Philips type 9602. Connectors for second loudspeaker and for pick-up.Variable selectivity, anti-fading and a milliamperemeter as tuning indicator.Cabinet in varnished walnut.The Siera memento 1932-1946 mentions the same tube line-up for types S7A and S7U. When fed by a DC mains, the power must pass via vibrator converter and not directly into the radio as usual with a AC/DC set.
- LW: 725 - 1975 m.
- BC: 198 - 585 m.
- SW: 16 - 51 m.
- Net weight (2.2 lb = 1 kg)
- 15 kg / 33 lb 0.6 oz (33.04 lb)
- Price in first year of sale
- 2,950.00 BFr
- Mentioned in
- - - Manufacturers Literature (Siera memento of tubes and models 1932-1946)
- Literature/Schematics (1)
- -- Original-techn. papers.
- Model page created by John Koster. See "Data change" for further contributors.
- Other Models
Here you find 439 models, 400 with images and 178 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Siera; Belgien