• Country
• United States of America (USA)

• Manufacturer / Brand
• Grasso Sound Systems; Staten Island (NY)

• Year
• 1940 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 221687

• Number of Tubes
• 11

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: Amplifier Unknown - Grasso Sound Systems; Staten

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Notes
• Grasso Sound Systems Amplifier;
  Most probably for PA use. Split chassis. Aerovox condensers.

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

• Other Models

• Here you find 1 models, 1 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grasso Sound Systems; Staten Island (NY)