Amateur Transceiver SB-104

Heathkit (Brand), Heath Co.; Benton Harbor (MI)

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  • Year
  • 1975 ?
  • Category
  • Amateur TRX: Transmitter/Receiver (and Transceiver)
  • Radiomuseum.org ID
  • 337773
    • alternative name: Heath Company

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

 Technical Specifications

  • Main principle
  • Transceiver
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Powered by external power supply or a main unit. / 13.8 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Amateur Transceiver SB-104 - Heathkit Brand, Heath Co.;
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 370 x 150 x 350 mm / 14.6 x 5.9 x 13.8 inch
  • Notes

  • This transceiver is for amateur bands from 3.5 to 29.7 MHz; 15 MHz WWV only receiver.
    The difference from SB-104A is that this unit works only in SSB and CW (not in AM).
    Power output in SSB:100 Watt PEP ± 1 dB; in CW 100 Watt ± 1 dB. In low power 1 Watt PEP in SSB and 1 Watt in CW.
    Transceiver operations: SSB, PTT or VOX, CW, VOX key or manual.
    Sensitivity: Lower that 1.0 µV for 10 db signal/noise in SSB. Low impedance headphone socket. Input for high impedance microphone.
    Audio power out: 2.5 Watt at 4 Ω, 1.25 Watt at 8 Ω. Audio frequency range: 350 - 2450 Hz.

    The companion external Station Speaker SB-604 has a cabinet large enough to also house the external Fixed Station Power Supply HP-1144.

  • Mentioned in
  • -- Original prospect or advert (“Radio Rivista” official organ of "ARI Amat. Radio Assoc." of Italy, number 9, September 1975.)
  • Literature/Schematics (1)
  • “Radio Rivista” official organ of "ARI Amat. Radio Assoc." of Italy, number 7, July 1976.
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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