• Country
• United States of America (USA)

• Manufacturer / Brand
• Approved Electronic Instr. Corp.

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 107582

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

• Number of Tubes
• 4

• Valves / Tubes
• 6BE6 6BA6 6AT6 7Y4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Tuner A-600AC - Approved Electronic Instr.

• Shape
• Chassis only or for «building in»

• Notes
• The Model A-600AC from Approved Electronic Instrument Corp., 142 Liberty Street, New York 6, NY is a Tuner with Self-Contained Power Supply as a chassis only. Audio output adjustable in 3 steps: 10, 5 and 1 volt.

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

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 8-52, set 175, folder 4)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 15 models, 14 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Approved Electronic Instr. Corp.