• Country
• United States of America (USA)

• Manufacturer / Brand
• Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)

• Year
• 1951 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 147403

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

• Number of Tubes
• 9

• Valves / Tubes
• 6AB4 6AB4 6BE6 6BA6 6BA6 6AL5 6AV6 6V6GT 6X5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455/10700 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 9.4 inch = 23.9 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4-A-86 [Late] - Firestone Tire & Rubber Co.

• Shape
• Console, Lowboy (legs < 50 %).

• Notes

• The Firestone Model 4-A-86 Late is an AC operated 9 tube radio-phono combination superheterodyne receiver with automatic record changer and loop antenna.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 9-51, Set 144, Folder 4)

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

• Other Models

• Here you find 473 models, 310 with images and 430 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Firestone Tire & Rubber Co. (Air Chief & Roamer, Airchief); Akron (OH)