• Country
• United States of America (USA)

• Manufacturer / Brand
• Concord Radio Corp.; Chicago

• Year
• 1948/1949

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 133248

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

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Concord 2-239 Impedance Matching Chassis - Concord Radio Corp.; Chicago

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

• Notes
• The Concord models 2-200, 2-201, 2-218, 2-219, 2-232, 2-235, 2-236, 2-237 = 6 Tube Power Amplifier, 2-238 = 8 Tube Power Amplifier, 2-239 = Impedance Matching Chassis, 2-240 = 5 Channel Audio Pre Amplifier from Concord Radio Corp., 901-11 W. Jackson Blvd, Chicago 7, Ill. build a family: 2-237 is a 6 tube power amplifier, 2-238 an 8 tube power amplifier, 2-239 an impedance matching chassis and 2-240 a 5 channnel audio pre amp. These are combined the following way to form an AC operated plug-in multi-amp. audio amplifier: 2-200 = 2-240 + 2-237; 2-201 = 2-240 + 2-238; 2-218 = 2-240 + 2 x 2-237; 2-219 = 2-240 + 2-237 + 2-238; 2-232 = 2-240 + 2 x 2-238; 2-235 = 2-237 + 2-239; 2-236 = 2-238 + 2-239.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 5-49, 4910-9, set 62, folder 9)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 63 models, 34 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Concord Radio Corp.; Chicago