• Country
• Japan

• Manufacturer / Brand
• Yaesu-Musen Co. Ltd.; Tokyo

• Year
• 1971 ?

• Category
• Amateur TRX: Transmitter/Receiver (and Transceiver)

• Radiomuseum.org ID
• 90135

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

• Number of Tubes
• 20

• Valves / Tubes
• 6BZ6 6BA6 6AH6 6GK6 6KD6 6KD6 6CB6 6BE6 12AU7 12AX7 12AT7 6BM8 6U8 7360 VR105MT

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Transceiver

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 117; 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: FTDX-401 - Yaesu-Musen Co. Ltd.; Tokyo

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 400 x 160 x 350 mm / 15.7 x 6.3 x 13.8 inch

• Notes

• Yaesu HF-Transceiver FTDX-401. Covers 80 to 10 m HAM bands plus WWV/JJY and two auxilary 500 kHz ranges; Modes: AM, SSB, CW. Modes: AM, SSB, CW; P_in max. 560 W PEP.

  Sold in Europe as SOKA 747 under the "Sommerkamp" label.

• Net weight (2.2 lb = 1 kg)
• 18 kg / 39 lb 10.4 oz (39.648 lb)

• Price in first year of sale
• 2,450.00 DM

• Literature/Schematics (1)
• -- Original-techn. papers. (Hannes-Bauer-Katalog, 1976)

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 305 models, 289 with images and 139 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Yaesu-Musen Co. Ltd.; Tokyo