• Country
• United States of America (USA)

• Manufacturer / Brand
• Music Master Corp. (pre 1927); Philadelphia

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 49471

• • alternative name: General Radio Corporation || Geraco

• Number of Tubes
• 5

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Power type and voltage
• Alternating Current supply (AC)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 400 - Music Master Corp. pre 1927;

• Shape
• Console, Highboy (legs > 50 %).

• Notes
• Two dials (primary tuning control knobs) . Build in A and B battery eliminators. Loudspeaker: standard bell or cabinet type Music Master reproducer or specially designed art model.

• Price in first year of sale
• 400.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Other Models

• Here you find 23 models, 20 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Music Master Corp. (pre 1927); Philadelphia