• Country
• United States of America (USA)

• Manufacturer / Brand
• Pacific Radio Corp.; Chicago, IL

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 50040

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

• Number of Tubes
• 4

• Valves / Tubes
• 1C7 1D5G 1H6 1G5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 21 and X21M1 - Pacific Radio Corp.; Chicago,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 17.75 x 9.75 x 9.25 inch / 451 x 248 x 235 mm

• Notes

• Pacific model 21M1 has 2 Volt and costs $33.25, Pacific model X21M1 has 6 Volt and costs $44.95.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 9 = 1938 and before

• Mentioned in
• Machine Age to Jet Age II (page 204.)

• Literature/Schematics (3)
• The Pacific Folder for 1938.

• Other Models

• Here you find 127 models, 82 with images and 56 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pacific Radio Corp.; Chicago, IL