• Country
• United States of America (USA)

• Manufacturer / Brand
• Kolster; USA

• Year
• 1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 45659

• • Brand: International

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

• Number of Tubes
• 9

• Valves / Tubes
• 34 34 30 34 30 30 30 30 30

• Main principle
• Superhet with RF-stage

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / ? & 22,5 & 90 & 180 Volt

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

• from Radiomuseum.org
• Model: K-114 - Kolster; USA

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• Phono input; push-pull af output stage.

  Stein "Cathedral & Tombstone Radios" lists 7 tubes for this model.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Cathedral & Tombstone Radios (page 157.)

• Other Models

• Here you find 104 models, 48 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kolster; USA