• Country
• United States of America (USA)

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

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43493

• • Brand: Synchrophase

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

• Number of Tubes
• 8

• Valves / Tubes
• 58 58 56 58 56 59 59 unknown_Tube

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz

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

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

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 89 - Grebe, A.H. & Co.; Richmond

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Dimensions (WHD)
• 14.5 x 18.25 x 11 inch / 368 x 464 x 279 mm

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 188 models, 124 with images and 60 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)