• Country
• Japan

• Manufacturer / Brand
• Koito Electronics Co., Ltd; Tokio

• Year
• 1965 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 185768

• Number of Transistors
• 3

• Semiconductors
• 2SB186 2SB186 2SB186

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Batteries / addl. power jack / 9 Volt

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

• Power out
• 0.15 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Homer Transistor Baby Sitter KE-203BS - Koito Electronics Co., Ltd;

• Dimensions (WHD)
• 120 x 95 x 40 mm / 4.7 x 3.7 x 1.6 inch

• Notes
• This amplifier has two parts, the mother station with transistors, and the baby station only with a speaker (microphone).

• Net weight (2.2 lb = 1 kg)
• 0.287 kg / 0 lb 10.1 oz (0.632 lb)

• Author
• Model page created by Gil Silva. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Koito Electronics Co., Ltd; Tokio