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Hjärteress Stockholm

Hjärteress ; Eric Sundberg AB, (ID = 1569942) Crystal Hjärteress ; Eric Sundberg AB, (ID = 2348793) Crystal
Hjärteress ; Eric Sundberg AB, (ID = 319781) Crystal Hjärteress ; Eric Sundberg AB, (ID = 319779) Crystal
Hjärteress ; Eric Sundberg AB, (ID = 319780) Crystal Hjärteress ; Eric Sundberg AB, (ID = 1112554) Crystal
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Hjärteress ; Eric Sundberg AB, (ID = 1569942) Crystal
Eric Sundberg AB,: Hjärteress [Crystal] ID = 1569942 933x988
Select picture or schematic to display from thumbnails on the right and click for download.
For model Hjärteress Stockholm, Eric Sundberg AB, Sigtuna (ESS)
Country:  Sweden
Manufacturer / Brand:  Eric Sundberg AB, Sigtuna (ESS)
Year: 1927 ? Category: Detector-Radio (Crystal or diode, without tubes/transistors)
Main principle Crystal or Solid State Detector
Tuned circuits 1 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage No Power needed
Loudspeaker - For headphones or amp.
Power out
from Model: Hjärteress [Stockholm] - Eric Sundberg AB, Sigtuna ESS
Material Bakelite case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 142 x 81 x 163 mm / 5.6 x 3.2 x 6.4 inch
Notes The company Eric Sundberg was manufacturing radio parts, but only one radio, the crystal set in two versions, with and without longwave. A very nice set of good quality.

The name ESS intergrades in the name of the crystal set, Hjärter Ess, which is the Swedish expression för "Ace of Hearts". The marks on the detector and the set is a red heart. This version of Hjärter Ess is only for broadcast band up to 700 m. See also the main model Hjärter Ess for up to 2000 m.
Source of data -- Collector info (Sammler)

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

All listed radios etc. from Eric Sundberg AB, Sigtuna (ESS)
Here you find 3 models, 3 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.