• Country
• United States of America (USA)

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

• Year
• 1926

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43567

• • Brand: Synchrophase

• Number of Tubes
• 6

• Valves / Tubes
• UX199 or CX299 UX199 or CX299 UX199 or CX299 UX199 or CX299 UX199 or CX299 UX199 or CX299

• Main principle
• TRF without regeneration; 2 AF stage(s); Neutrodyne

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Synchrophase MU2 [UX tubes] - Grebe, A.H. & Co.; Richmond

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

• Notes
• Two output tubes in parallel. There is also an earlier version using UV tubes.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

• Mentioned in
• Radio Manufacturers of the 1920's, Vol. 2

• 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)