• Country
• United States of America (USA)

• Manufacturer / Brand
• Atwater Kent Mfg. Co.; Philadelphia, USA

• Year
• 1927

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 245824

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

• Number of Tubes
• 1

• Valves / Tubes
• 607

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-115 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: B-Power Unit 9000 Type S [25 cycles] - Atwater Kent Mfg. Co.;

• Shape
• Tablemodel, with any shape - general.

• Notes

• 25 cycle A.C. power unit. Switchover relay.to disconnect trickle charger from external A-battery when radio is turned on (drawing filament current).

• Mentioned in
• A.Atwater Kent, The Man, 2002 (p.84 ff.)

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 507 models, 330 with images and 332 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Atwater Kent Mfg. Co.; Philadelphia, USA