• Country
• Japan

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

• Year
• 1972

• Category
• Amateur TRX: Transmitter/Receiver (and Transceiver)

• Radiomuseum.org ID
• 171277

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

• Number of Transistors
• 29

• Semiconductors

• Main principle
• Transceiver; ZF/IF 11700/455 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 10×1.2 or 8×1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 0.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: SR-C146 - Standard Radio Corp. SR, Tokyo

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 75 x 210 x 40 mm / 3 x 8.3 x 1.6 inch

• Notes

• "World's smallest Handie rig"; 144–148 MHz/FM, 5 channels, P_out: 1 W.
  (Price in Germany 1976)

  As can be seen in the photos, this device was built in 2 models: SR-C 146 and 146A. The only externally visible difference is the channel change knob.

  Equipped with some accessories: Leather case. Charger for SR-CSA nickel cadmium rechargeable batteries with SO-239 connector for external antenna. SR-CMA power adapter and external antenna. External microphone complete with cable and connector SR-CMP08. Small size flexible antenna SR-CAT08.

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

• Price in first year of sale
• 575.00 DM

• Mentioned in
• Katalog Hannes Bauer, 1972–1978

• Literature/Schematics (1)
• Advert mag. CQ elettronica (Italy) 01/1973

• Literature/Schematics (2)
• -- Original prospect or advert (“Radio Rivista” official organ of "ARI Amateur Radio Association" of Italy, number 1, January 19)

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 256 models, 243 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