• Country
• United States of America (USA)

• Manufacturer / Brand
• Jewel Radio Corp.; New York, Long Island City, NY and East Newark, NJ

• Year
• 1952 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 45252

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

• Number of Tubes
• 5

• Valves / Tubes
• 12BE6 12BA6 12AT6 50C5 35W4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 105 - 125 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Wakemaster 920A - Jewel Radio Corp.; New York,

• Shape
• Tablemodel with Clock ((Alarm-) Clock Radio).

• Notes

• Jewel Wakemaster 920A.

  Updated version of the original Jewel Wakemaster 920 model. Minor circuit changes in a few component values and a modified volume control circuit.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 20 covering 1950

• Other Models

• Here you find 111 models, 76 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jewel Radio Corp.; New York, Long Island City, NY and East Newark, NJ