• Country
• Poland

• Manufacturer / Brand
• Unitra DIORA - Radiowerk Dzierzoniow,

• Year
• 1952–1956

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 106506

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

• 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) / 127, 220 Volt

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

• Material
• Wooden case

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

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 390 x 270 x 185 mm / 15.4 x 10.6 x 7.3 inch

• Notes
• 1.Klangregister-3 stufig mit Kreisschalter 2.Holzgehäuse DR-1 oder DR-2 3.Tonabnehmeranschluß

• Net weight (2.2 lb = 1 kg)
• 8.2 kg / 18 lb 1 oz (18.062 lb)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 271 models, 225 with images and 138 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unitra DIORA - Radiowerk Dzierzoniow,