• Country
• Czechoslovakia

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

• Year
• 1984/1985

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 108679

• • Brand: Supraphon

• Number of Transistors
• 35

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 20 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Sextett 637A - Tesla; Praha, Bratislava etc.

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 560 x 150 x 220 mm / 22 x 5.9 x 8.7 inch

• Notes
• Stereoreceiver with two FM bands (OIRT und CCIR); Output 2× 10 W. The model Sextett 637A was only made in Bratislava, not in Praha (Guest Alex Mirilovic).

• Net weight (2.2 lb = 1 kg)
• 8 kg / 17 lb 9.9 oz (17.621 lb)

• Price in first year of sale
• 4,440.00 CZK

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

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

• 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.