• Country
• Hungary

• Manufacturer / Brand
• Orion; Budapest

• Year
• 1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 139519

• Number of Tubes
• 4

• Valves / Tubes
• 1R5T 1T4T 1S5T 3V4

• Main principle
• Superheterodyne (common); ZF/IF 473,6 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Storage and/or dry batteries / 90 & 1,4 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 521 B - Orion; Budapest

• Shape
• Tablemodel, with any shape - general.

• Notes
• Similar to 520 B.

• Literature/Schematics (1)
• Rádiókészülékek Kapcsolásai 1936-56

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 1029 models, 876 with images and 397 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Orion; Budapest