• Year
  • 1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 63897
    • Brand: Troubador

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

 Technical Specifications

  • Number of Tubes
  • 8
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz
  • Tuned circuits
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8.5 inch = 21.6 cm
  • Power out
  • 3 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 327 - Ultramar Mfg. Corp. Troubador;
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Notes
  • Push-pull af output stage; tuning eye; synchr. vibrator for +B; home radio.

    Domestic model, same model for European markets see 337.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before

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