Portable Reel to Reel Tape Recorder TP-31

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.

 Technical Specifications

  • Number of Transistors
  • 4
  • 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.

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