• Country
• United States of America (USA)

• Manufacturer / Brand
• DeForest Radio Telephone & Telegraph Co. (De Forest); New York

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 37092

• • alternative name: Lee De Forest Mfg.

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

• Number of Tubes
• 5

• Valves / Tubes
• DV2 DV2 DV2 DV5 DV5

• Main principle
• TRF without regeneration; 2 AF stage(s)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 6 & 22.5 x 4 & 4.5 Volt

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Radiophone F-5-AL [90$] - DeForest Radio Telephone &

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 570 x 430 x 400 mm / 22.4 x 16.9 x 15.7 inch

• Notes

• The DeForest F-5-AL is a battery operated BC band receiver.  Has three dial primary tuning controls. Uses 6V "A" battery, 90V "B" battery with taps in 22.5V increments and a 4.5V "C" battery.  The detector stage operates from the first 22.5V tap on the "B" battery.

  Same as the model No. F-5-AW in a leatherette (fabricoid) cabinet. No speaker included. Battery compartments on both sides of chassis. 

  DeForest Tubes
  Five required for any F-5
   
  Type DV-2 Storage Battery Type Audion  $3.00
  Type DV-5 Storage Battery Type Audion  $3.00
   
  Note: When storage "A" Battery is used for filament current supply in the F-5, 5 DV-2's or 5 DV-5 tubes are required, or preferrably, 2 DV-5 and 3 DV-2 tubes.
   
  Type DV-3 Dry Battery Type Audion  $3.00
   
  Note: When Dry batteries are used for filament current supply in the "F-5," 5 DV-3 Tubes are required. 

• Net weight (2.2 lb = 1 kg)
• 17 kg / 37 lb 7.1 oz (37.445 lb)

• Price in first year of sale
• 90.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931) (Misc section, page 1-3)

• Literature/Schematics (2)
• Factory DeForest F-5 brochure

• Other Models

• Here you find 158 models, 133 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeForest Radio Telephone & Telegraph Co. (De Forest); New York