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History of the manufacturer  

RIZ, Radioindustrija Zagreb

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Name: RIZ, Radioindustrija Zagreb    (YU)  
alternative name:
Radioindustrija Zabreb
Abbreviation: riz
Products: Model types Tube manufacturer

Manufacturer of Radios, Known Models are from the 1950ies, Also tubes or solid state devices, perhaps only branded.

RIZ is Croatian, Zagreb-based company established in 1948. for production of Radio Broadcasting Equipment under name RADIO INDUSTRIJA ZAGREB - RIZ. At beginning they produced electronically equipment, first tube radio was produced in 1953. under name "Maksimir". Last tube radio was produced in 1965. They keeping to produce electronic equipment, devices, TV-s and transmitters until beginning the war in 1991. when most part of company was destroyed. RIZ exist even today, under name "RIZ-Transmitters Co." is a successful private company concentrating research, manufacture and sales department on the 8600 m2 at the home address in Zagreb, Bozidareviceva 13, Croatia. Today RIZ produce power transmitters and watt-hour meters. Official web site:

Founded: 1948
Closed: 1991
Production: 1953 - 1965

This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
YU  60–62 Arena 140166 OC169  PCB is identical to model RIZ Vikend. Only differences between this two models are in v... 
YU  68 Jadran - Radiobatterie Schlüssel Nr. 7592   Made in Yugoslavia. 
YU  85 Stereo HI-FI kazetni magnetofon K4020   Cassette deck, 3 heads, 3 motors, logic control. Dolby B + C. Unitra Diora license. 
YU  85 Stereo HI-FI kazetni magnetofon K3020   Cassette deck, 3 heads, 3 motors, logic control. Unitra Diora license 
YU  66 Plattenspieler ERO PCL82  16 / 34 / 45 / 78 rpm. Ceramic pickup. Colours: red and blue   
YU  60–62 Vikend OC169   
YU  64 Plattenspieler EG4-Super   Czechoslovakian Chasis EG4, 16 / 34 / 45 / 78 rpm,  ceramic Pickup 
YU  68 Atlantic 245 EF80   
YU  85 AM/ FM Radio Receiver RM8482 TBA810  This radiorecorder is made under license of polish Unitra "Condor" RM820s 
YU  80 Akord 140   Made by RIZ-Elak Djurdjevac under UNITRA DIORA licence 
YU  80 Lautsprecher ZK110   Stereo Zwei-Wege Kleinbox. Tief-Mitteltöner 160 mm, Hochtöner 30 mm (Kalotte). Impedanz 4... 
YU  60 Muzički ormar EA-4200 ECC85  Receiver unit: RIZ 604 Changer: Dual 1007 or Elac Miracord 16