• Country
• Czechoslovakia

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

• Year
• 1976 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 139308

• • Brand: Supraphon

• Number of Transistors
• 11

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 465/10700 kHz

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

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

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

• Power out
• 2 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Spiritual 442 A-1 - Tesla; Praha, Bratislava etc.

• Dimensions (WHD)
• 562 x 180 x 157 mm / 22.1 x 7.1 x 6.2 inch

• Notes
• FM: OIRT (66-73MHz).

• Net weight (2.2 lb = 1 kg)
• 4.7 kg / 10 lb 5.6 oz (10.352 lb)

• Literature/Schematics (1)
• Radio- es TV- kapcsolások, 1975-77

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 1874 models, 1199 with images and 681 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tesla; Praha, Bratislava etc.