• Country
• United States of America (USA)

• Manufacturer / Brand
• Drake, R.L. Miamisburg, Ohio

• Year
• 1966/1967

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 91732

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

• Number of Tubes
• 12

• Valves / Tubes
• 12BZ6 12BA6 6HS6 6HS6 12BE6 12BA6 12BA6 12AV6 6GX6 6EH5 12BA6 12AX7A 0B2

• Main principle
• Superhet, double/triple conversion; ZF/IF 5645/50 kHz; 2 AF stage(s)

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 120/240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 1.4 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: R-4A - Drake, R.L. Miamisburg, Ohio

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 140 x 273 x 297 mm / 5.5 x 10.7 x 11.7 inch

• Notes
• Coverage 80 - 10 m ham bands and 10 additional crystal controlled 500 kHz segments within 1,5 - 30 MHz, AM, LSB/USB;
  different variants with electrical changes and variations in tube layout, in later models AVC and audio amps replaced by semiconductors;
  optional MS-4 external speaker, matching to T-4 / T-4X transmitters and FS-4 frequency synthesizer.

• Net weight (2.2 lb = 1 kg)
• 7.3 kg / 16 lb 1.3 oz (16.079 lb)

• Price in first year of sale
• 379.00 $

• Source of data
• Communications Receivers

• Mentioned in
• Shortwave Receivers - Past & Present (3rd ed.)

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 154 models, 99 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Drake, R.L. Miamisburg, Ohio