• Year
  • 1967 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 348290

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)     8 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 120 Volt
  • Loudspeaker
  • 2 Loudspeakers
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: R973 - Philco, Philadelphia Stg. Batt
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • The following Philco models have similar schematics and circuit boards, with differences for clock control, tone control and speaker output drive:

    Model Clock

    Tone
    Control

    Speakers
    R740 Y N 1
    R741 Y N 1
    R742 Y N 1
    R743 Y Y 1
    R746 Y Y 1
    R971 N N 1
    R972 N N 1
    R973 N Y 2
    R974 N Y 2
    R976 N Y 2
    R978 N Y 2

    Model R973 has two 4" PM speakers.

  • Mentioned in
  • - - Manufacturers Literature (Philco Home Radio Service Data Bulletin PR4076, 1967.)
  • Author
  • Model page created by Ed Riley. See "Data change" for further contributors.

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