• Country
• United States of America (USA)

• Manufacturer / Brand
• Marti Electric Radio Co. Inc.; West Orange (also Newark), NJ

• Year
• 1927/1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 46827

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

• Number of Tubes
• 7

• Valves / Tubes
• 401_McCullough 401_McCullough 401_McCullough 401_McCullough 401_McCullough UX210 UX281

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

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 2 R 10 - Marti Electric Radio Co. Inc.;

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes
• early mains powered radio using McCullough_Kellogg tubes.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 4 = ca. 1934 and before

• Other Models

• Here you find 13 models, 4 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marti Electric Radio Co. Inc.; West Orange (also Newark), NJ