Chassis 14-37 intermediate

Midwest Radio Co., The, (Miraco); Cincinnati, OH

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  • Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 117306
    • Brand: Miraco

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

 Technical Specifications

  • Number of Tubes
  • 14
  • Main principle
  • Superhet with RF-stage; ZF/IF 456 kHz
  • Tuned circuits
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 110 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Chassis 14-37 intermediate - Midwest Radio Co., The, Miraco
  • Shape
  • Chassis only or for «building in»
  • Notes
  • 5 SW bands. There are 3 different versions. The main difference is in the output stage:
    The 14-37 (no suffix) uses 4 x 6F6 in push-pull plus a single transformer coupled 6F6 for the driver.
    The 14-37 intermediate has 4 x 45's for the final stage.
    The 14-37Auses 4x 6F6 for final, and a transformerless driver employing two 6C5's (amp and inverter).
  • Circuit diagram reference
  • Rider's Perpetual, Volume 8 = 1937 and before

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