- Country
- Czechoslovakia
- Manufacturer / Brand
- Tesla; Praha, Bratislava etc.
- Year
- 1953–1957
- Category
- Television Receiver (TV) or Monitor
- Radiomuseum.org ID
- 77991
-
- Brand: Supraphon
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 22
- Valves / Tubes
- 6F32 6F32 6F32 6F32 6B31 6F32 6F32 6F32 6F32 6B31 6BC32 6L31 6CC31 6CC31 6L31 6CC31 6L50 6Z31 1Y32 AZ4 AZ4 25QP20
- Main principle
- TRF with diode detector; 2 AF stage(s)
- Tuned circuits
- 11 FM circuit(s)
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- Alternating Current supply (AC) / 120/220 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 20 cm = 7.9 inch
- Power out
- 2 W (unknown quality)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 4001A - Tesla; Praha, Bratislava etc.
- Shape
- Tablemodel, low profile (big size).
- Dimensions (WHD)
- 660 x 395 x 525 mm / 26 x 15.6 x 20.7 inch
- Notes
-
Produced in slightly modified versions: 4001A-b, -c, c1, c2, c3.
Bildrohr: 25QP20 (25cm rund, nutzb. Fläche 15x20cm). Geradeaus-Empfänger, fest auf 48,5MHz-56,5MHz (~Ch 1) abgeglichen. Ton-ZF 6,5MHz (Intercarrier, OIRT-Norm). Direkte Synchronisierung auch für Horizontal-Ablenkung.
Zusatz-HF-Vorstufe mit 2x 6F32 optional.1. FS-Gerät der Tschechoslowakei zum Fernsehstart 1.5.1953!
Zur Vergrößerung des ziemlich kleinen Bildes wurde eine wassergefüllte Linse aus Plexiglas geliefert. Wasserfüllung 10 Liter, die Bildgröße konnte man wählen (Fokus - Entfernung der Linse vom FS).
- Net weight (2.2 lb = 1 kg)
- 37 kg / 81 lb 8 oz (81.498 lb)
- Author
- Model page created by Bernhard Nagel. See "Data change" for further contributors.
- Other Models
-
Here you find 1844 models, 1165 with images and 669 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Tesla; Praha, Bratislava etc.
Collections
The model is part of the collections of the following members.
Museums
The model can be seen in the following museums.