• 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
• 49465

• • alternative name: General Radio Corporation || Geraco

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• TRF without regeneration

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• Horn

• Material
• Wooden case

• from Radiomuseum.org
• Model: 175 - Music Master Corp. pre 1927;

• Shape
• Tablemodel, slant panel.

• Notes
• Made by Thermiodyne, similar to their TF6. Built-in horn speaker.

• Price in first year of sale
• 175.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Manufacturers of the 1920's, Vol. 2

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Radio Collector`s Guide 1921-1932 (and ad in Radio News for October,1925)

• Literature/Schematics (2)
• Radio Broadcast, Nov. 1925, p. 95

• 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