• Year
  • 1938
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 44551

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; 2 AF stage(s)
  • Tuned circuits
  • 10 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6.5 inch = 16.5 cm
  • Power out
  • 2.5 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 438 - Howard Radio Company; Chicago
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 14.375 x 8.75 x 8.375 inch / 365 x 222 x 213 mm
  • Notes
  • BC, TROP and two SW bands covering 550 kHz to 42 MHz. Crystal filter, BFO.

    The Howard 438 was available with the crystal filter for an additional $10.

  • Price in first year of sale
  • 49.95 USD
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before

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