• Country
• United States of America (USA)

• Manufacturer / Brand
• Firth, John & Co. (Firco); New York, (NY)

• Year
• 1922 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 186524

• Number of Tubes
• 6

• Valves / Tubes
• UV201 UV201 UV200 UV201 UV201 UV202

• Main principle
• TRF without regeneration

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Vocaphone Model AA 240A - Firth, John & Co. Firco; New

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

• Notes
• This unit was intended for Auditorium use. It will drive 4 horn speakers using a UV-202 final audio tube. B battery supply for plate of final is 210 VDC.

• Author
• Model page created by Joseph Woychowski. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 21 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Firth, John & Co. (Firco); New York, (NY)