• Country
• Switzerland

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

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 12002

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• ECH42 EAF42 EBC41 EL13

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

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

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 120; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 13 cm = 5.1 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Record SW [mit EL13] - Echophone, Marke ab 1937 von

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 295 x 210 x 150 mm / 11.6 x 8.3 x 5.9 inch

• Notes
• #634 im Museum Luzern. Fabriziert durch Ernst Mästiling (EMUD) in Deutschland für Apco Schweiz.
  Siehe Firmengeschichte Apco [auch 1-174].
  Siehe auch gleichnamiges Gerät bei EMUD Record SW in Pressstoff.

• Net weight (2.2 lb = 1 kg)
• 3.6 kg / 7 lb 14.9 oz (7.93 lb)

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• 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