M660A The Explorer Ch= 5M20

Zenith Radio Corp.; Chicago, IL

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  • Year
  • 1966
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 207426
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast, Long Wave and more than two Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 230 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: M660A The Explorer Ch= 5M20 - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 14.75 x 6 x 9.125 inch / 375 x 152 x 232 mm
  • Notes
  • Wave bands:
    - LW 150 - 400 kHz
    - BC 500 - 1600 kHz
    - SW1 1.6 - 5 MHz
    - SW2 5 - 15 MHz
    - SW3 15 -30 MHz
    Band spread;
    BFO on/off;
    Automatic Noise Limiter on/off;
    Manual gain control (Sensitivity)
    Standby switch.
  • Mentioned in
  • -- Original prospect or advert (Introducing Zenith All New 1966 Quality Radios)
  • Author
  • Model page created by Philip Obetsanov. See "Data change" for further contributors.

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