Micronic Ruby SR-K71F

• Country
• Japan

• Manufacturer / Brand
• Standard Radio Corp. (SR), Tokyo

• Year
• 1967

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 79694

• Picture
• Schematics

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

• Number of Transistors
• 11

• Semiconductors

• Main principle
• Superheterodyne (common); 3 AF stage(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Dry Batteries

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 cm = 1.4 inch

• Power out
• 0.18 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Micronic Ruby SR-K71F - Standard Radio Corp. SR, Tokyo

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

• Dimensions (WHD)
• 64 x 78 x 31 mm / 2.5 x 3.1 x 1.2 inch

• Notes
• UKW mit schaltbarer AFC. Speisung mit 3 Quecksilberbatterien Typ 640.
  Gewicht 0.14 kg ohne Batterie.

• Net weight (2.2 lb = 1 kg)
• 0.2 kg / 0 lb 7 oz (0.441 lb)

• Author
• Model page created by Marc Gianella. See "Data change" for further contributors.

• Other Models

• Here you find 258 models, 245 with images and 110 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Standard Radio Corp. (SR), Tokyo