Progresson 447 A
Tesla; Praha, Bratislava etc.
- Country
- Czechoslovakia
- Manufacturer / Brand
- Tesla; Praha, Bratislava etc.
- Year
- 1988–1990
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 110729
-
- Brand: Supraphon
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Wave bands
- Broadcast, Long Wave, Short Wave plus FM or UHF.
- Power type and voltage
- Alternating Current supply (AC) / 220 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Power out
- 2 W (unknown quality)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Progresson 447 A - Tesla; Praha, Bratislava etc.
- Shape
- Tablemodel with Push Buttons.
- Dimensions (WHD)
- 420 x 110 x 110 mm / 16.5 x 4.3 x 4.3 inch
- Notes
- UKW: OIRT 66···76 MHz und CCIR 88···108 MHz; UKW-Eingang mit Fet-Transistor, keramische Filter, LED für Abstimmungsanzeige; Anschlüsse für 2. Lautsprecher, TA/TB, Außenantennen. Das letzte Original TESLA-Radio.
- Net weight (2.2 lb = 1 kg)
- 2.2 kg / 4 lb 13.5 oz (4.846 lb)
- Source of data
- -- Collector info (Sammler)
- Author
- Model page created by Wolfgang Lill. See "Data change" for further contributors.
- Other Models
-
Here you find 1835 models, 1152 with images and 661 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 Progresson is part of the collections of the following members.