Radio Receiving Set AN/FRR-21 R-501/FRR-21

RCA Radiomarine Products Department; Camden (NJ)

  • Year
  • 1951–1954
  • Category
  • Military Receiver
  • Radiomuseum.org ID
  • 156201

 Technical Specifications

  • Number of Tubes
  • 28
  • Valves / Tubes
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Alternating Current supply (AC) / 105; 115; 125 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Radio Receiving Set AN/FRR-21 R-501/FRR-21 - RCA Radiomarine Products
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 17.25 x 8.75 x 18.5 inch / 438 x 222 x 470 mm
  • Notes
  • Radio Receiving Set AN/FRR-21 R-501/FRR-21; VLF receiver for low-frequency shore station communication service, covers 14 kHz to 600 kHz in 5 bands, A1 Broad/FSK - A1 Sharp - A1 Medium - A2 selector, S-meter, AF output meter, two phones front terminals, solid front carrying handles, made by RCA Camden (NJ) for Navy Department Bureau of Ships.

  • Net weight (2.2 lb = 1 kg)
  • 34.050 kg / 75 lb 0 oz (75 lb)
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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