270 (T270)

• Country
• Czechoslovakia

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

• Year
• 1933/1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25490

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

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Tubes
• 3

• Valves / Tubes
• RENS1204 RES164 RGN354

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 270 - Radiotechna, spol. s r. o.,

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 345 x 465 x 160 mm / 13.6 x 18.3 x 6.3 inch

• Notes
• The model Telefunken 270 is often called T270 and there is a sister model for DC, the model 280 - see also model 250. These models never have been made in Germany.

• Net weight (2.2 lb = 1 kg)
• 6.8 kg / 14 lb 15.6 oz (14.978 lb)

• Price in first year of sale
• 1,095.00 kc

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

• 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