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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  78–80 TOSCA stereo hi-fi GM6600   Speed: 33, 45 and 78 rpm.  Antiskating. Autoreturn. System: SHURE M75.6 Cartridge. BSR P12... 
YU  80–83 Trubadur GP4320 TBA800  Stereo Amplifier 2 x 5W. Ceramic Pickup. Speed: 33, 45 rpm. Autoreturn. 
YU  53 Maksimir ECH21   
YU  55 Dubrava 55 UCH21   
YU  57 BU-357 UAF42  "Volksradio" by RIZ. Manufactured in many colours. 
YU  59 Jadran 59UKV-A ECC85  Two oval loudspeakers. 
YU  62 634 UKV ECC85  Oval speaker. 
YU  61 614 UKV ECC85  Oval speaker. 
YU  56 Tuškanac 56 Ch= Orion 420A [with magic eye] ECH42  ORION 420A chasis, MW + 3 SW bands. Models Tuškanac 56 and Tuškanac 56/M ... 
YU  58 Pionir 58 UCH81  Only Broadcast 510-1630 kHz. 
YU  60 Pionir 60 UCH81  Same schematics as RIZ Pionir 58 (Magic eye added, bigger box and pushbutton tone controls).