• Country
• United States of America (USA)

• Manufacturer / Brand
• Bremer-Tully Mfg. Co.; Chicago (IL)

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34546

• • Brand: Counterphase

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

• Number of Tubes
• 7

• Valves / Tubes
• 226 226 226 227 226 171A 80

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC)

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 6-40 - Bremer-Tully Mfg. Co.; Chicago

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

• Notes

• One dial (primary tuning control knob).

  Note that there were two cabinet styles for this radio: Model "R" and Model "S".

  Similar cabinet style was used for the Bremer-Tully Counterphase 6CS10.

• Price in first year of sale
• 136.00 USD

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

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

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition (page 45)

• Other Models

• Here you find 49 models, 19 with images and 19 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bremer-Tully Mfg. Co.; Chicago (IL)