• Country
• Czechoslovakia

• Manufacturer / Brand
• Tesla; Praha, Bratislava etc.

• Year
• 1984 ?

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 91136

• • Brand: Supraphon

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 4

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• Power out
• 3 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 2111 B-4 - Tesla; Praha, Bratislava etc.

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 180 x 37 x 60 mm / 7.1 x 1.5 x 2.4 inch

• Notes
• Der Autosuper 2111 B4 enthält 4 x KF124 in den Transistorstufen. Als Endstufe ist ein Schaltkreis MBA810AS eingebaut. KW nur 49 m Band, Export in die DDR.

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Importgeräte-CD, Zeitschrift RFE 1984 Heft 10 Seite 644

• Author
• Model page created by Wolfgang Lill. See "Data change" for further contributors.

• Other Models

• Here you find 1860 models, 1185 with images and 673 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.