• Country
• Czechoslovakia

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

• Year
• 1970

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75787

• • Brand: Supraphon

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

• Number of Transistors
• 5

• Semiconductors

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

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 cm = 2.6 inch

• Power out
• 0.15 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Lido 2823B - Tesla; Praha, Bratislava etc.

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 185 x 102 x 35 mm / 7.3 x 4 x 1.4 inch

• Notes
• 1 IC MAA125.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Price in first year of sale
• 1,915.00 Kc

• Source of data
• -- Schematic

• Author
• Model page created by Iven Müller. See "Data change" for further contributors.

• Other Models

• Here you find 1838 models, 1159 with images and 668 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.