• Country
• Germany

• Manufacturer / Brand
• Braun, Karl; Nürnberg

• Year
• 1990 ??

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 100259

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

• Number of Transistors
• 6

• Semiconductors
• P8002 P8002 BC307 BC238 BD139 BC307 TDB0117T

• Main principle
• RF-Circuit or wave trap (separate, can also be an antenna with amp.)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Line / Batteries (any type) / 220 / 24 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: High Level Preselector Amplifier SWF 5-40 - Braun, Karl; Nürnberg

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 200 x 80 x 250 mm / 7.9 x 3.1 x 9.8 inch

• Notes

• Braun Preselector/Amplifier SWF 5-40.
  For 5 HAM-bands 80-10 m. High shape-ratio. Selectable gain -8, 0 or +8 dB. Intercept Point +40 or 31 dB.

  SWF 5-40
  3,5 — 4,0 MHz
  7,0 — 7,1 MHz
  14,0 — 14,35 MHz
  21,0 — 21,45 MHz
  28,0 — 30,0 MHz

  See also the similar Model High Level Preselector Amplifier SWF 10-40 with 10 HAM bands.

• Net weight (2.2 lb = 1 kg)
• 2.4 kg / 5 lb 4.6 oz (5.286 lb)

• Price in first year of sale
• 1,006.00 DM

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Otto Frosinn. See "Data change" for further contributors.

• Other Models

• Here you find 15 models, 15 with images and 12 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Braun, Karl; Nürnberg