• Country
• United States of America (USA)

• Manufacturer / Brand
• Zenith Radio Corp.; Chicago, IL

• Year
• 1967 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 71871

• • alternative name: Chicago Radio Lab

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

• Number of Transistors
• 11

• Semiconductors

• Main principle
• Superhet with RF-stage; ZF/IF 455/10700 kHz; 3 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)     11 FM circuit(s)

• Wave bands
• Broadcast, more than 2 SW bands plus FM or UHF.

• Power type and voltage
• Batteries / addl. power jack / D: 8 x 1.5V or 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 6 inch = 15.2 cm

• Power out
• 0.5 W (undistorted)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Royal 94 Inter-Oceanic Multiband Ch= 11NT44Z8 - Zenith Radio Corp.; Chicago,

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 11.875 x 8.3 x 5.2 inch / 302 x 211 x 132 mm

• Notes

• The Zenith Royal 94 Inter-Oceanic is a battery operated portable AM, FM and SW band receiver.  Has standard AM and FM bands plus 3 short wave bands covering Marine Weather-Navigaton, Amateur and International Short Wave. Has Qty(1) Elliptical PM 4" x 6" speaker and push-pull output stage. Rich Ebony color polystyrene cabinet.

  Band Frequency Ranges are as follows:
  FM Band.............88 - 108MHz
  AM 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.

• External source of data
• Bob Balser

• Literature/Schematics (1)
• - - Manufacturers Literature (Zenith Service Manual Model "Royal 94" (R990))

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 4505 models, 4101 with images and 3631 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zenith Radio Corp.; Chicago, IL