• Country
• Japan

• Manufacturer / Brand
• Sanyo Electric Co. Ltd.; Moriguchi (Osaka)

• Year
• 1966–1968

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 257487

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

• Number of Transistors
• 12

• Semiconductors
• 2SA222 2SA222 2SA101 2SA101 2SB185 2SB185 2SB185 2SB185 2SB22 2SB22 2SB22 2SB22

• Main principle
• Superheterodyne (common)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Batteries / addl. power jack / D: 4 x 1.5/6 Volt

• Loudspeaker
• 2 Loudspeakers / Ø 8 cm = 3.1 inch

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Tetrasound 12X-630 - Sanyo Electric Co. Ltd.;

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

• Dimensions (WHD)
• 280 x 190 x 90 mm / 11 x 7.5 x 3.5 inch

• Notes

• Two 8 ohm Loudspeakers connected in parallel.
  Battery Saver switch, Earphone and PU jacks, Aut ANT.

  Schematic: 2nd IF transistor 2SA10X (Tr.4) is a misprinting and should read 2SA101.

• Net weight (2.2 lb = 1 kg)
• 1.950 kg / 4 lb 4.7 oz (4.295 lb)

• Price in first year of sale
• 126.00 AUS $

• Mentioned in
• Mingay's Price Service (Feb 1967 to Aug 1968.)

• Literature/Schematics (1)
• J.R. Publications Transistor Radio Service Handbook (Group C5, 1968, Page N243.)

• Author
• Model page created by Daniel Rosha. See "Data change" for further contributors.

• Other Models

• Here you find 1756 models, 1584 with images and 472 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sanyo Electric Co. Ltd.; Moriguchi (Osaka)