• Country
• United States of America (USA)

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

• Year
• 1946–1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 67310

• • alternative name: Chicago Radio Lab

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

• Number of Tubes
• 11

• Valves / Tubes
• 6AG5 6SB7Y 6SG7 7W7 6AL7GT 6SH7 6S8GT 6J5GT 6V6GT 6V6GT 5Y3GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Wave bands
• Broadcast, Short Wave plus FM or UHF.

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 14 inch = 35.6 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 12H092Z Ch=11C21Z - Zenith Radio Corp.; Chicago,

• Shape
• Console with Push Buttons.

• Notes

• Caution: since this model 12H092Z is a modified version of model 12H092, the basic schematic for the 12H092 (Riders 15-87,88 or 15-91,92) has to be considered together with its amendment for 12H092Z (Riders 18 , changes18-13)

  Record changer is Zenith model number S-11680. See Sams Photofact 27-32 and Riders RCD 15 - CH 9-18.

  Operating frequencies:
  BC - 540 to 1600 kc
  SW - 9 to 12 mc
  FM1 - 42 to 49 mc
  FM 2 - 88 to 108 mc

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Mentioned in
• Rider's Perpetual, Volume 18 = covering late 1947 to early 1948

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (2-20)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (462-20 Changes)

• 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