• Country
• Spain

• Manufacturer / Brand
• Radio Watt (Valgifson); Barcelona

• Year
• 1952

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 269663

• Number of Tubes
• 5

• Valves / Tubes
• EBF2 EF9 EL3 AZ1 EM4

• Main principle
• 2 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Power out
• 3 W (max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Analizador dinámico - Signal tracer 501-AT - Radio Watt Valgifson;

• Shape
• Console with any shape - in general

• Price in first year of sale
• 1,350.00 Ptas

• Author
• Model page created by Alberto Sanna-Alonso. See "Data change" for further contributors.

• Other Models

• Here you find 113 models, 37 with images and 102 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Watt (Valgifson); Barcelona