• Country
• United States of America (USA)

• Manufacturer / Brand
• Collins Radio Company; Cedar Rapids (IA)

• Year
• 1949

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 96984

• Number of Tubes
• 16

• Valves / Tubes
• 6AK5 6BE6 6BE6 6BA6 6BA6 6SJ7 6BA6 6BA6 6BA6 12AX7 12AX7 12AX7 6AQ5 6BA6 6BE6 5V4

• Main principle
• Superhet, double/triple conversion; ZF/IF 2500/500 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 1.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 51J-1 - Collins Radio Company; Cedar

• Shape
• Rack

• Dimensions (WHD)
• 19 x 13 x 10.5 inch / 483 x 330 x 267 mm

• Notes
• This is common for the 51J-1 and 51J-2, which both show on their faceplate only 51J without suffix. The difference is minor: the 51J-2 has an additional toggle switch left of the meter.
  0.5 - 30 MHz, AM/CW/MCW.

• Price in first year of sale
• 875.00 $

• Source of data
• Communications Receivers

• Mentioned in
• The Pocket Guide to Collins Amateur Radio Equipment 1946 to 1980

• Literature/Schematics (1)
• Shortwave Receivers - Past & Present (3rd ed.)

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 100 models, 77 with images and 35 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Collins Radio Company; Cedar Rapids (IA)