• Country
• Japan

• Manufacturer / Brand
• Ota Radio (Ohta), オータ ラジオ; (where?)

• Year
• 1955

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 244610

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

• Number of Tubes
• 3

• Valves / Tubes
• 1R4 1T4 1S5

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 1 x 1.5 & 2 x 45 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: PK-S2 - Ota Radio Ohta, オータ ラジオ; where

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

• Dimensions (WHD)
• 135 x 85 x 35 mm / 5.3 x 3.3 x 1.4 inch

• Notes

• Frequency range: 535 - 1605 Kc.
  For crystal earpiece only, no speaker.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

• Price in first year of sale
• 3,900.00 JPY

• Other Models

• Here you find 4 models, 4 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ota Radio (Ohta), オータ ラジオ; (where?)