Trio 420A
Tesla; Praha, Bratislava etc.
- Country
- Czechoslovakia
- Manufacturer / Brand
- Tesla; Praha, Bratislava etc.
- Year
- 1958/1959
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 30888
-
- Brand: Supraphon
CZ Tesla 420A Rueckwand.jpg
Scala-Dial
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 468 kHz
- Tuned circuits
- 6 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Alternating Current supply (AC) / 110-220 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Power out
- 3 W (unknown quality)
- Material
- Bakelite case
- from Radiomuseum.org
- Model: Trio 420A - Tesla; Praha, Bratislava etc.
- Shape
- Tablemodel, with any shape - general.
- Notes
- Loudspeaker dimensions: 16x12cm. Marked model as 420A-a was mounted to the case of Trio 420U.
- Source of data
- -- Collector info (Sammler)
- Other Models
-
Here you find 1857 models, 1183 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 Trio is part of the collections of the following members.
Forum contributions about this model: Tesla; Praha,: Trio 420A
Threads: 1 | Posts: 1
Korrektur Stromlauf Tesla 420A:
Die Kombination R14, 250 Ohm und C41, 50uF gehört natürlich an die Kathode angeschlossen und nicht an Gitter1 der Endpentode 6L31.
Tilman Betz, 25.Sep.11