Majestic Brucewood 254 (254-B) Ch= 25-B

Grigsby-Grunow (-Hinds) Co. (Majestic pre 1933); Chicago (IL)

  • Year
  • 1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 18762

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz; Screengrid 1926-1935
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 115; 230 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: Majestic Brucewood 254 Ch= 25-B - Grigsby-Grunow -Hinds Co.
  • Notes
  • Uses one or more spray shield tubes; push-pull af output stage.
  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Die «Thali Schemasammlung» führt das Modell.

 Collections | Museums | Literature

 Forum