• Country
• United States of America (USA)

• Manufacturer / Brand
• Brunswick Div. Mersman Bros.

• Year
• 1939

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 34675

• • alternative name: Mershman Bros. Corp

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

• Number of Tubes
• 10

• Valves / Tubes
• 6SK7 6SA7 6SK7 6H6 6U5 6SF5 6SF5 6F6G 6F6G 5U4G

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast plus 2 Short Wave bands.

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 105-125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Power out
• 10 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: A-2020 - Brunswick Div. Mersman Bros.

• Shape
• Console with any shape - in general

• Notes
• Tuning eye; push-pull af output stage.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Other Models

• Here you find 32 models, 9 with images and 24 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Brunswick Div. Mersman Bros.