4660 Model 9C Compact Var.Cond.tuned

• Country
• United States of America (USA)

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

• Year
• 1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 33401

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Tubes
• 4

• Valves / Tubes
• UV201A UV201A or UV200 UV201A UV201A

• Main principle
• TRF without regeneration

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries

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

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: 4660 Model 9C Compact [Var.Cond.tuned] - Atwater Kent Mfg. Co.;

• Shape
• Miscellaneous shapes - described under notes.

• Notes

• Breadboard. Two dials (primary tuning control knobs) ; this later version with (2)var.cond. and (2)coils (either parallel or orthogonally mounted); regeneration possible (though not designed for) through plate coupling using a very good front tube;

• Price in first year of sale
• 65.00 $

• External source of data
• Ernst Erb

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

• Mentioned in
• Radio Manufacturers of the 1920s, Vol 1

• Literature/Schematics (1)
• A.Atwater Kent, The Man, 2002 (and Bunis 4)

• 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