• Country
• United States of America (USA)

• Manufacturer / Brand
• Graybar Electric Co.; New York (NY)

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43455

• Number of Tubes
• 7

• Valves / Tubes
• 35 24 27 35 27 47 80

• Main principle
• Superheterodyne (common); ZF/IF 175 kHz

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: GT7 - Graybar Electric Co.; New York

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Notes
• Breadboard.

• Price in first year of sale
• 46.00 $

• 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

• Literature/Schematics (1)
• Cathedral & Tombstone Radios (page 128.)

• Other Models

• Here you find 31 models, 16 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Graybar Electric Co.; New York (NY)