• Country
• Japan

• Manufacturer / Brand
• Sanritsu Electric Co., Japan Transformer Works, Sanritz; Tokyo

• Year
• 1963

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 158411

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

• Number of Transistors
• 6

• Semiconductors
• 2SA52 2SA49 2SA53 2SB54 2SB56 2SB56 1N60

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / AA: 2 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.7 cm = 2.2 inch

• Power out
• 0.07 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Spica Watch Radio STW-601 Quelle Art.-Nr.09201 - Sanritsu Electric Co., Japan

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

• Dimensions (WHD)
• 110 x 70 x 30 mm / 4.3 x 2.8 x 1.2 inch

• Notes

• SPICA Watch Radio Transistor, model STW-601 with leather case, zipper. Watch made by Orient, Japan, Manual/Auto switch.

  Similar to Jaguar T2003, Sandhurst STW-601 and Sanritz STW-601.

  In Germany distributed by Grossversandhaus Quelle, Fürth/Bayern. They also provided a service manual for the Spica model STW-601.

• Net weight (2.2 lb = 1 kg)
• 0.270 kg / 0 lb 9.5 oz (0.595 lb)

• Literature/Schematics (1)
• -- Original-techn. papers. (Quelle Kundendienst-Anleitung zum Spica STW-601)

• Author
• Model page created by Heribert Jung. See "Data change" for further contributors.

• Other Models

• Here you find 38 models, 35 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sanritsu Electric Co., Japan Transformer Works, Sanritz; Tokyo