• Country
• Austria

• Manufacturer / Brand
• Technica; Wien: Marke Inra

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 10832

• • alternative name: Rabinowitsch & Co
  • Brand: Inra

• Number of Tubes
• 3

• Valves / Tubes
• S100 W100 L103

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

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Direct Current supply (DC) / 220 Volt

• Material
• Wooden case

• from Radiomuseum.org
• Model: Inra 3SG - Technica; Wien: Marke Inra

• Dimensions (WHD)
• 410 x 220 x 220 mm / 16.1 x 8.7 x 8.7 inch

• Notes
• SG-Empf.;oben rundl.;[RA3104]

• Net weight (2.2 lb = 1 kg)
• 6.7 kg / 14 lb 12.1 oz (14.758 lb)

• Price in first year of sale
• 350.00 öS

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radio-Amateur Wien (RA, 46), (Österreichischer Radio Amateur, ÖRA) (3104B)

• Other Models

• Here you find 110 models, 13 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Technica; Wien: Marke Inra