• Year
  • 1987 ??
  • Category
  • Radio module post 1925 (not a part, not a key)
  • Radiomuseum.org ID
  • 269408

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

 Technical Specifications

  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Direct Current supply (DC) / 12 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 229B - Ten-Tec Inc.; Sevierville, TN
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 330 x 140 x 280 mm / 13 x 5.5 x 11 inch
  • Notes
  • Antenna matching unit using an 'L' network of a series inductor and parallel capacitor(s) for 1.8MHz to 30MHz and up to 2kW.

    Switch selects straight through (50 ohms), antenna impedance less than 50 ohms, or greater than 50 ohms. Inductor is roller-coaster type.

    Switch selects one of four antennas, one of which can be open wire or balanced feed. In-built 1:4 balun for balanced feed.

    Built-in SWR bridge and power meter (switch selected for 200W or 2kW).

  • Net weight (2.2 lb = 1 kg)
  • 4.1 kg / 9 lb 0.5 oz (9.031 lb)
  • Author
  • Model page created by Gwyn Griffiths. See "Data change" for further contributors.

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