• Country
• Finland

• Manufacturer / Brand
• Strömberg; Helsinki

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 361877

• Number of Tubes
• 5

• Valves / Tubes
• 6K8 6U7 6Q7 25L6 25Z6

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

• Tuned circuits
• 7 AM circuit(s)

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

• Power type and voltage
• AC/DC-set

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

• Material
• Wooden case

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

• Shape
• Tablemodel, with any shape - general.

• Notes

• Suomalainen koivukotelo Keravan Puusepäntehdas

• Price in first year of sale
• 2,650.00 mk

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Lasse Nirhamo. 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