• Country
• Czechoslovakia

• Manufacturer / Brand
• Telektra akc. spol.; Olomouc

• Year
• 1924 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 161755

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: R91 - Telektra akc. spol.; Olomouc

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 160 x 110 x 100 mm / 6.3 x 4.3 x 3.9 inch

• Net weight (2.2 lb = 1 kg)
• 0.7 kg / 1 lb 8.7 oz (1.542 lb)

• Author
• Model page created by Helmut Schrammel. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 9 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telektra akc. spol.; Olomouc