• Country
• United States of America (USA)

• Manufacturer / Brand
• Minerva Radio Co.(post WW2); New York (NY)

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 47342

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

• Number of Tubes
• 8

• Valves / Tubes
• 6SK7 6SA7 6SK7 6SQ7 50A5 50A5 35Z5 35Z5

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• AC/DC-set / 105 - 125 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Tropic Master W117 late [50A5; 35Z5] - Minerva Radio Co.post WW2; New

• Shape
• Tablemodel, with any shape - general.

• Notes
• Portable, but for mains only!

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Other Models

• Here you find 25 models, 21 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Minerva Radio Co.(post WW2); New York (NY)