• Country
• Japan

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Japan

• Year
• 1964 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 193962

• Number of Transistors
• 4

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Dry Batteries / 2 x 1,5 & 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Power out
• 0.25 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Modernage Book Corder 405 - Unknown - CUSTOM BUILT: Japan

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

• Dimensions (WHD)
• 230 x 40 x 170 mm / 9.1 x 1.6 x 6.7 inch

• Notes
• Book Corder 405, a portable tape recorder.
  Uses 3" spools. Built-in crystal microphone.
  Erasing by means of a permanet magnet.

• Net weight (2.2 lb = 1 kg)
• 1.2 kg / 2 lb 10.3 oz (2.643 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Jose Mayoral-Diaz. See "Data change" for further contributors.

• Other Models

• Here you find 1140 models, 1002 with images and 96 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Japan