• Country
• United States of America (USA)

• Manufacturer / Brand
• Roland Radio Corporation; Mount Vernon (NY)

• Year
• 1955 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 122877

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1U5 3V4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1,5 & 67,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Riviera 4P2 - Roland Radio Corporation;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 6 x 5 x 2 inch / 152 x 127 x 51 mm

• Notes

• In contrast to the 4P2-2 model, no Centralab/Aerovox/Sprague "Component Combination" was used.

• Net weight (2.2 lb = 1 kg)
• 0.660 kg / 1 lb 7.3 oz (1.454 lb)

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 68 models, 57 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roland Radio Corporation; Mount Vernon (NY)