• Country
• United States of America (USA)

• Manufacturer / Brand
• Acme Elec. & Mfg. Co. - see also Sears or Wright.

• Year
• 1933

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 31155

• • alternative name: Acme Radio, Ohio
  • Brand: Moto-Midget

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

• Number of Tubes
• 5

• Valves / Tubes
• 39 39 36 37 41

• Main principle
• TRF without regeneration; Screengrid 1926-1935

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 6 & 135 - 180 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: Moto-Midget [late] - Acme Elec. & Mfg. Co. - see

• Notes
• power supply : 6V car battery for filament and speaker field, dry battery for +B.
  Acme Radio = Acme Electric (same company!).

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 4 = ca. 1934 and before

• Other Models

• Here you find 28 models, 12 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Acme Elec. & Mfg. Co. - see also Sears or Wright.