• Country
• Australia

• Manufacturer / Brand
• Standard Telephones and Cables Pty, Ltd (STC), Sydney

• Year
• 1937/1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 167903

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

• Number of Tubes
• 6

• Valves / Tubes
• 6U7G 6A8G 6U7G 6B8G 6F6G 5Z4G

• Main principle
• Superhet with RF-stage; ZF/IF 450 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 200; 240 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 620B Ch= 620 - Standard Telephones and Cables

• Shape
• Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.

• Circuit diagram reference
• Australian Official Radio Service Manual Vol. I I

• Author
• Model page created by Stuart Irwin. See "Data change" for further contributors.

• Other Models

• Here you find 614 models, 232 with images and 290 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Standard Telephones and Cables Pty, Ltd (STC), Sydney