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Tapecorder M-4

Country:  Japan
Manufacturer / Brand:  Sony Corporation; Tokyo
Year: 1954 ? Category: Sound/Video Recorder and/or Player
Valves / Tubes 3: 1U4 or DF96 1U4 1U4
Main principle Audio-Amplification; 2 AF stage(s)
Wave bands - without
Details Tape Recorder
Power type and voltage Dry Batteries / 1.5 & 2 x 67.5 Volt
Loudspeaker - only for Earphone!
Power out
from Model: Tapecorder M-4 - Sony Corporation; Tokyo
Material Metal case
Shape Portable set > 8 inch (also usable without mains)
Notes Tapecorder M-4 was produced by Tokyo Tsushin Kogyo, Ltd.
Combined two-stage record and playback amplifier. RF bias oscillator, neon lamp for record indication. One rec/PB head, no erase head present. Jacks for microphone and headphones (monitor and PB). Tape transport uses a spring loaded motor drive with a centrifugal governor. Capstan has stroboscope dial for speed control. See also Sony M5B.
Source of data -- Collector info (Sammler)

Model page created by Bernhard Nagel. See "Data change" for further contributors.

All listed radios etc. from Sony Corporation; Tokyo
Here you find 3542 models, 3398 with images and 753 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.