TH-669 (TH669)

ID = 103605

Country: Japan	Manufacturer/Brand: Hitachi Ltd.; Tokyo
Year: 1957	Type: Radio or Tuner
Transistors	6:

Principle	Super-Heterodyne (Super in general); IF-Freq. 455 kHz
Wave bands	Broadcast only (MW).
Power type and voltage	Dry Batteries / 4 × 1,5 Volt
Loudspeaker/pwr.out	Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / 0.1 W / Ø 6.4 cm = 2.5 inch
from Radiomuseum.org	Model: TH-669
Material	Modern plastics (no Bakelite or Catalin)
Shape	Portable, e.g. Portable Radio (with or without mains > 8 inch).
Dimensions (WHD)	215 x 105 x 35 mm / 8.5 x 4.1 x 1.4 inch
Notes	Hitachi's first transistor radio.

This model was suggested by Anonymous 38 Collector.

All listed radios etc. from Hitachi Ltd.; Tokyo
Here you find 358 models, 293 with images and 42 with schematics.