• Country
• United States of America (USA)

• Manufacturer / Brand
• Webster Electric (Electrical) Co. (Teletalk); Racine (WI)

• Year
• 1937 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 215119

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

• Number of Tubes
• 4

• Valves / Tubes
• 77 77 43 25Z5

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• AC/DC-set / 115 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• from Radiomuseum.org
• Model: Teletalk ICS-124-1 - Webster Electric Electrical Co

• Notes
• Intercom unit. Listen-talk switch. Uses a resistance line cord (184 Ohms)!

• Mentioned in
• Rider's Perpetual, Volume 8 = 1937 and before (misc.8-10)

• Author
• Model page created by Harry Ducker. See "Data change" for further contributors.

• Other Models

• Here you find 110 models, 97 with images and 68 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Webster Electric (Electrical) Co. (Teletalk); Racine (WI)