• Country
• Germany

• Manufacturer / Brand
• Nokia Graetz GmbH; Pforzheim

• Year
• 1988

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 241109

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

• Number of Transistors
• 1

• Semiconductors
• 2SC380 TA8110 TA7358 LA4510

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Dry Batteries / UM2: 3 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7.5 cm = 3 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Junior 502 - Nokia Graetz GmbH; Pforzheim

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

• Dimensions (WHD)
• 220 x 134 x 40 mm / 8.7 x 5.3 x 1.6 inch

• Notes

• ITT Junior 502 MW/UKW mit Teleskopantenne, Kopfhörerbuchse auf der Rückseite. Gerät in verschiedenen Pop-Farben bekannt. Aus der ITT-Gruppe unter verschiedenen Markenbezeichnung

• Net weight (2.2 lb = 1 kg)
• 0.630 kg / 1 lb 6.2 oz (1.388 lb)

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

• Author
• Model page created by Richard Winter. See "Data change" for further contributors.

• Other Models

• Here you find 17 models, 17 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Nokia Graetz GmbH; Pforzheim