Koncert Trial

• Country
• Czechoslovakia

• Manufacturer / Brand
• Radiotechna, spol. s r. o., Praha-Prelouc

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 23282

• • alternative name: Kresl & spol, CS
  • Brand: Telefunken Praha

• Picture
• Schematics

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

• Number of Tubes
• 4

• Valves / Tubes
• REN904 REN904 RENS1374d RGN564

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 13.5 cm = 5.3 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Koncert Trial - Radiotechna, spol. s r. o.,

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 290 x 355 x 175 mm / 11.4 x 14 x 6.9 inch

• Price in first year of sale
• 1,390.00 kc

• External source of data
• Erb

• Source of data
• Ceskoslovenske prijimace 1933-1945, Baudys 1947

• Other Models

• Here you find 69 models, 62 with images and 53 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radiotechna, spol. s r. o., Praha-Prelouc