Junior 220 55124325

• Country
• Germany

• Manufacturer / Brand
• ITT-Graetz

• Year
• 1983–1985

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 127644

• Picture
• Schematics

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

• Number of Transistors
• 4

• Semiconductors
• BF324 BF451 BF451 BF451 TDA1220 TBA820

• Main principle
• Superheterodyne (common); ZF/IF 459 kHz

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Dry Batteries / 6 × 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 220 55124325 - ITT-Graetz

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 185 x 115 x 45 mm / 7.3 x 4.5 x 1.8 inch

• Notes
• Loudspeaker: FosterSingapore, 32 Ohm, 0,5 W, elliptical.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

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

• Author
• Model page created by Sándor Selyem-Tóth. 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