• Country
• United States of America (USA)

• Manufacturer / Brand
• Martin H.S. & Co.;Evanston, IL

• Year
• 1954

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 125444

• Number of Tubes
• 3

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit. / 12 & 150 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 352-CA - Martin H.S. & Co.;Evanston, IL

• Shape
• Chassis only or for «building in»

• Notes
• Control- and pre-amplifier.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 264 Folder 9 1-1955)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 2 models, 2 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Martin H.S. & Co.;Evanston, IL