S7U
Use red slider bar for more.
Siera; Belgien: S7U [Radio] ID = 1024669 497x595
Select picture or schematic to display from thumbnails on the right and click for download.
|
|
||||
| Year: 1936 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 5: EK2 EF5 EBC3 EL3 EZ3 |
|---|
| 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. |
| Details | Visual Tuning Indicator pre Eye |
| Power type and voltage | AC/DC-set / 110; 125; 145; 200; 220; 245 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 21.5 cm = 8.5 inch |
| Power out | |
| from Radiomuseum.org | Model: S7U - Siera; Belgien |
| Material | Wooden case |
| Shape | 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 |
| Notes |
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. |
| 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.
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.
