• Country
• United States of America (USA)

• Manufacturer / Brand
• Grebe, A.H. & Co.; Richmond Hill (NY)

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 210498

• • Brand: Synchrophase

• Number of Tubes
• 7

• Valves / Tubes

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast and Short Wave (SW).

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 309-L - Grebe, A.H. & Co.; Richmond

• Shape
• Tablemodel, low profile (big size).

• Source of data
• Machine Age to Jet Age III

• Mentioned in
• Table Top Radios Vol. 4 Stein 2003

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 188 models, 124 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grebe, A.H. & Co.; Richmond Hill (NY)