• Country
• Finland

• Manufacturer / Brand
• Strömberg; Helsinki

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 210537

• Number of Tubes
• 5

• Valves / Tubes
• 6K8 6U7 6Q7 6V6 5Z4

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 7 inch = 17.8 cm

• Power out
• 4 W (undistorted)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 540V - Strömberg; Helsinki

• Shape
• Tablemodel, with any shape - general.

• Notes

• Suomalainen koivukotelo, Keravan Puusepäntehdas

• Price in first year of sale
• 2,450.00 mk

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Timo Rantasaari. See "Data change" for further contributors.

• Other Models

• Here you find 11 models, 10 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Strömberg; Helsinki