• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1963 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 222361

• • alternative name: Hayakawa Electric Co.Ltd.

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

• Number of Transistors
• Semiconductors present.

• Semiconductors
• 2SA234 2SA234 2SA12 2SA12 2SB75 2SB75 2SB77 2SB77

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Power type and voltage
• Dry Batteries / 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Power out
• 0.33 W (0.5 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Medium Portable BY-150 - Sharp; Osaka

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

• Dimensions (WHD)
• 230 x 120 x 48 mm / 9.1 x 4.7 x 1.9 inch

• Notes

• Front red button for dial illumination.  

• Net weight (2.2 lb = 1 kg)
• 0.860 kg / 1 lb 14.3 oz (1.894 lb)

• Literature/Schematics (4)
• -- Original-techn. papers.

• Author
• Model page created by Stephen Higgins. See "Data change" for further contributors.

• Other Models

• Here you find 1338 models, 1209 with images and 517 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sharp; Osaka