• Country
• Poland

• Manufacturer / Brand
• Unitra DIORA - Radiowerk Dzierzoniow,

• Year
• 1952 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 189443

• Number of Tubes
• 4

• Valves / Tubes
• ECH21 ECH21 EBL21 AZ1

• Main principle
• Superheterodyne (common); ZF/IF 468 kHz

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

• Power type and voltage
• Alternating Current supply (AC) / 115; 220 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Mazur [E-tubes/ Bakelit] - Unitra DIORA - Radiowerk

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 350 x 225 x 190 mm / 13.8 x 8.9 x 7.5 inch

• Notes
• Bakelitgehäuse BA-1,
  Tonblende mit logarithmischem Potentiometer.

• Net weight (2.2 lb = 1 kg)
• 6.5 kg / 14 lb 5.1 oz (14.317 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Bernhard Piszczan. See "Data change" for further contributors.

• Other Models

• Here you find 271 models, 225 with images and 137 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unitra DIORA - Radiowerk Dzierzoniow,