• Country
• Germany

• Manufacturer / Brand
• ITT-Graetz

• Year
• 1980

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 76548

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

• Number of Transistors
• 10

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz; 1 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)     8 FM circuit(s)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Line / Batteries (any type) / 220 / UM3: 4 x 1,5 Volt

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

• Power out
• 0.4 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Junior 109B - ITT-Graetz

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 210 x 145 x 60 mm / 8.3 x 5.7 x 2.4 inch

• Notes

• ITT Junior 109B front gelocht und Silber gesprayt

• Net weight (2.2 lb = 1 kg)
• 0.8 kg / 1 lb 12.2 oz (1.762 lb)

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Bernd Pötzsch. See "Data change" for further contributors.

• Other Models

• Here you find 74 models, 68 with images and 60 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from ITT-Graetz