• Country
• Sweden

• Manufacturer / Brand
• Svenska Reläfabriken AB, Stockholm

• Year
• 1957–1960

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 140373

• Number of Tubes
• 5

• Valves / Tubes
• ECC81 ECC82 EL34 EL34 6AQ5

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

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

• Power out
• 50 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: F50B GHF5001 - Svenska Reläfabriken AB,

• Shape
• Rack

• Dimensions (WHD)
• 560 x 210 x 240 mm / 22 x 8.3 x 9.4 inch

• Notes
• Remote controlled audio amplifier for horn speakers 600 Ω. Used at i.e. railway stations.

• Net weight (2.2 lb = 1 kg)
• 20 kg / 44 lb 0.8 oz (44.053 lb)

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• - - Manufacturers Literature (F-1151)

• Author
• Model page created by Anders Sandgren. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Svenska Reläfabriken AB, Stockholm