• Country
• United States of America (USA)

• Manufacturer / Brand
• Atwater Kent Mfg. Co.; Philadelphia, USA

• Year
• 1931

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 18404

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

• Number of Tubes
• 4

• Valves / Tubes
• 27 24 27 80

• Main principle
• RF Converter/Adapter (not voltage converter); ZF/IF 1000 kHz

• Wave bands
• Short Wave (SW only)

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

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: 93 Shortwave Converter - Atwater Kent Mfg. Co.;

• Notes
• .

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

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Mentioned in
• Thali

• Literature/Schematics (1)
• Machine Age to Jet Age II (page 69.)

• Literature/Schematics (2)
• Cathedral & Tombstone Radios (page 56.)

• Other Models

• Here you find 507 models, 330 with images and 332 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Atwater Kent Mfg. Co.; Philadelphia, USA