Royal 91 Inter-Oceanic Ch= 9NT40Z8

Zenith Radio Corp.; Chicago, IL

Data
Forum
Pictures
Collections

  • Year
  • 1967 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 250140
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Transistors
  • 9
  • Semiconductors
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Batteries / addl. power jack / 8 x 1,5 or 12 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 0.5 W (undistorted)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Royal 91 Inter-Oceanic Ch= 9NT40Z8 - Zenith Radio Corp.; Chicago,
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 11.875 x 8.1 x 5.3 inch / 302 x 206 x 135 mm
  • Notes

  • The Zenith Royal 91 Inter-Oceanic is a battery operated portable AM and SW band receiver.  Has standard AM band plus 3 short wave bands covering Marine Weather-Navigaton, Amateur and International Short Wave. Has Qty(1) Elliptical PM 4" x 6" speaker.
    Durable Polystyrene Cabinet in rich Ebony Color. Has earphone jack.

    Band Frequency Ranges are as follows:
    BC Band.............540 - 1600kHz
    SW1 Band..........1.6 - 3.8MHz
    SW2 Band..........3.8 - 8.8MHz
    SW3 Band..........8.8 - 18.0MHz

    Has provision for separate AC power supply which supplies 12V DC. The batteries are disconnected when the power supply plug is inserted into the radio jack.

     

  • Literature/Schematics (1)
  • - - Manufacturers Literature (Zenith Service Manual Model "Royal 91" (R955))
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum