• Country
• United States of America (USA)

• Manufacturer / Brand
• Webster Co., The, Webster-Chicago, Webcor; Chicago (IL)

• Year
• 1937

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 65315

• • Brand: Webcor

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

• Number of Tubes
• 5

• Valves / Tubes
• 6J7 6N7 6N7 6L6 6L6

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Line / Batteries (any type) / 115 AC / 6 DC Volt

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

• from Radiomuseum.org
• Model: Mobile Amplifier 530 - Webster Co., The, Webster-

• Notes
• Microphone and phono input; push-pull af output stage; 115 V AC power pack or 6 V DC (genemotor for +B) power pack.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 13 = 1942 and before

• Other Models

• Here you find 440 models, 208 with images and 363 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Webster Co., The, Webster-Chicago, Webcor; Chicago (IL)