• Country
• United States of America (USA)

• Manufacturer / Brand
• G & M Equipment Co., Inc.; Hollywood, CA

• Year
• 1956

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 283521

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

• Number of Tubes
• 6

• Valves / Tubes
• 12BE6 12BA6 12AV6 50C5 12AU7 12AT7

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Details
• Radio with other functions

• Power type and voltage
• AC/DC-set / 110-120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Guardian Mark 1 - G & M Equipment Co., Inc.;

• Shape
• Chassis only or for «building in»

• Notes

• AC-DC Operated AM Superheterodyne Receiver , Intercommunications System and Fire Alarm.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 339 Folder 5 dated 12-56)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from G & M Equipment Co., Inc.; Hollywood, CA