• Country
• Czechoslovakia

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

• Year
• 1963 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 183049

• • Brand: Supraphon

• Number of Transistors
• 6

• Semiconductors
• 155NU70 155NU70 155NU70 107NU70 104NU71 104NU71

• Main principle
• Superheterodyne (common); ZF/IF 452 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 2 x 3 Volt

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

• Power out
• 0.07 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Doris 2702 [mit Radiowecker] - Tesla; Praha, Bratislava etc.

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Dimensions (WHD)
• 240 x 140 x 60 mm / 9.4 x 5.5 x 2.4 inch

• Notes
• Transistorradio Doris mit Radiowecker Tempo.

• Mentioned in
• Zeitschrift "Jugend und Technik" Februar 1963 (Heft 2), Seite 30

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

• Other Models

• Here you find 1839 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.