• Country
• United States of America (USA)

• Manufacturer / Brand
• Browning Laboratories Inc.; USA

• Year
• 1952/1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 129366

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

• Number of Tubes
• 11

• Valves / Tubes
• 12AT7 12AT7 6J6 6AU6 6AL7GT 6AU6 6AU6 6AU6 6AL5 6AU6 5Y3GT

• Number of Transistors

• Semiconductors
• 1N54

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

• Tuned circuits
• 11 FM circuit(s)

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: FM Tuner RV-31 - Browning Laboratories Inc.;

• Shape
• Chassis only or for «building in»

• Notes
• The FM Tuner model RV31 from Browning Laboratories Ind., Winchester has 10 tubes plus a rectifier tube. The RV31 has no audio amplifier and is for custom installation. IF frequency for FM is 10700 mc and FM reception is 88-108 mc.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 3-53, set 198, folder 3)

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

• Other Models

• Here you find 55 models, 43 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Browning Laboratories Inc.; USA