• Country
• Switzerland

• Manufacturer / Brand
• Echophone, Marke (ab 1937) von Apco AG; Zürich

• Year
• 1943 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 75885

• Number of Tubes
• 6

• Valves / Tubes
• ECH21 EF22 EF22 EBL21 EM4 AZ21

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 20 cm = 7.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 643A - Echophone, Marke ab 1937 von

• Shape
• Tablemodel with Push Buttons.

• Dimensions (WHD)
• 553 x 315 x 250 mm / 21.8 x 12.4 x 9.8 inch

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Author
• Model page created by Herbert Odermatt † 26.Nov.05. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 14 with images and 14 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Echophone, Marke (ab 1937) von Apco AG; Zürich