• Country
• Germany

• Manufacturer / Brand
• Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH

• Year
• 1951–1953

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 4109

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

• Number of Tubes
• 5

• Valves / Tubes
• EF12 EF12 EL12spez EL12spez AZ12

• Main principle
• Audio-Amplification; 2 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 220; 240 Volt

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

• Power out
• 25 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Ela V25-1281 - Telefunken Deutschland TFK,

• Shape
• Rack

• Dimensions (WHD)
• 520 x 202 x 200 mm / 20.5 x 8 x 7.9 inch

• Notes
• Telefunken 25-Watt-Kraftverstärker Ela V 25/1281.
  Eingang: 0,3 V/2 kOhm, Ausgang: 100 V/400 Ohm.

• Net weight (2.2 lb = 1 kg)
• 12 kg / 26 lb 6.9 oz (26.432 lb)

• Price in first year of sale
• 575.00 DM

• Source of data
• Kat.d.Rundf.GrossH.1951/52 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Mentioned in
• Kat.d.Rundf.GrossH.1952/53 ( )

• Other Models

• Here you find 3545 models, 3125 with images and 2094 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH