• Country
• Switzerland

• Manufacturer / Brand
• Minerva Schweiz (Marke von Titan - Lizenzfabrikation von Minerva Österreich)

• Year
• 1946/1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 121192

• Number of Tubes
• 6

• Valves / Tubes
• ECH21 7A7 7B6 7C5 EM4 80

• 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) / 110; 125;145; 220; 250; Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 15 cm = 5.9 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: 473 [mit ECH21] - Minerva Schweiz Marke von

• Dimensions (WHD)
• 460 x 310 x 220 mm / 18.1 x 12.2 x 8.7 inch

• Notes
• Knöpfe aus Holz.

• Net weight (2.2 lb = 1 kg)
• 9.9 kg / 21 lb 12.9 oz (21.806 lb)

• Source of data
• -- Collector info (Sammler)

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

• Other Models

• Here you find 131 models, 63 with images and 86 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Minerva Schweiz (Marke von Titan - Lizenzfabrikation von Minerva Österreich)