• Country
• Japan

• Manufacturer / Brand
• Aiwa Co. Ltd.; Tokyo

• Year
• 1960 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 181986

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

• Number of Transistors
• 4

• Semiconductors
• 2SB32 2SB33 2SB33 2SB33

• 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 5.7 cm = 2.2 inch

• Power out
• 0.25 W (unknown quality)

• Material
• Various materials

• from Radiomuseum.org
• Model: Portable Reel to Reel Tape Recorder TP-31 - Aiwa Co. Ltd.; Tokyo

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

• Dimensions (WHD)
• 227 x 164 x 70 mm / 8.9 x 6.5 x 2.8 inch

• Notes
• Dual Track 3" reel to reel tape recorder, phone, remote and mic. jack. Type: Reel-drive, Dual-track recording system with 4 transistors. Recording time: Approx. 14 min. (dual tracks with 200ft. tape). Batteries: Szie "C", Eveready No. 1035 or E95 (Alkaline), JIS UM-2 (1.5 V) x 2 plus Size "116", Eveready Nor. 216, JIS 006P = 9V. Crystal type microphone with w/stop start switch. Magnetic ear phone..

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

• External source of data
• Don McLean

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 927 models, 878 with images and 162 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Aiwa Co. Ltd.; Tokyo