• Country
• United States of America (USA)

• Manufacturer / Brand
• Phenix Radio Corp.; New York

• Year
• 1924/1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 50438

• • alternative name: Lacault, R.E.

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

• Number of Tubes
• 8

• Valves / Tubes
• UV201A UV201A UV201A UV201A UV201A UV201A UV201A UV201A

• Main principle
• Superheterodyne (common); ZF/IF 115 kHz

• Tuned circuits
• 7 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

• from Radiomuseum.org
• Model: Ultradyne L2 [UV tubes] - Phenix Radio Corp.; New York

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

• Dimensions (WHD)
• 32 x 9 x 10 inch / 813 x 229 x 254 mm

• Notes
• The Ultradyne L2 was first manufactured for the UV201A with thoriated filament, which was announced in December 1922. In August 1925 the UV201A was withdrawn and replaced by the UX201A. They have later also been fitted with UX112, UX171 or UX171A but we don't put that into the tube line up as "or" because that was at least a year later of the UX201A variant.
  
  The Ultradyne L2 is a super with RF reaction. Whether it is similar to the Keystone L2's is uncertain. The manufacturer Keystone Radio Service offered kits according to The Radio Trade Directory of Aug.,1925.
  Two dials (primary tuning control knobs).
  Siehe auch Triodensuperhets.

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

• Literature/Schematics (1)
• Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931) (see misc. 1-11 Lacault)

• Literature/Schematics (2)
• Radio Broadcast, Nov. 1924, p. 111

• Other Models

• Here you find 15 models, 9 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Phenix Radio Corp.; New York