• Country
• United States of America (USA)

• Manufacturer / Brand
• Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)

• Year
• 1949

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 48815

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1U5 3S4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 67.5, 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 49L13Q Ch= HS-183 - Motorola Inc. ex Galvin Mfg.Co

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

• Dimensions (WHD)
• 200 x 160 x 120 mm / 7.9 x 6.3 x 4.7 inch

• Notes
• Color=Green

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 20 covering 1950

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 10, 1950

• Other Models

• Here you find 4508 models, 2955 with images and 4002 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)