• Country
• United States of America (USA)

• Manufacturer / Brand
• Gulbransen Co.; Chicago

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 18676

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

• Number of Tubes
• 7

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

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz; 1 AF stage(s); Anode bend detection

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• 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: 130 - Gulbransen Co.; Chicago

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

• Notes

• Wood with repwood grille.

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• Mentioned in
• Machine Age to Jet Age II (page 155.)

• Literature/Schematics (1)
• Cathedral & Tombstone Radios (page 132.)

• Other Models

• Here you find 64 models, 10 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gulbransen Co.; Chicago