(Electrum s.r.o., později Tesla n.p. Brno)
REL 2 ADK (r.v.1934..35) REL 304 (r.v.1936..37) REL 479 (r.v.1938..39) REL 4K SUP (r.v.1934..35) REL 500 (r.v.1938..39) REL Adria Special (r.v.1939..40) REL Adriatic (r.v.1940..41) REL Atlantic (r.v.1939..40) REL Baltic (r.v.1940..41) REL Extra (r.v.1937..38) REL Gladiator 460 (r.v.1935..36) REL Gladiator 470 U (r.v.1935..36) REL Imperator 680 (r.v.1935..36) REL Luxor (r.v.1940..41) REL Meteor (r.v.1937..38) REL Olymp 461 (r.v.1936..37) REL Pacific (r.v.1939..40) REL Polar (r.v.1940..41) REL Primus (r.v.1941..42) REL Primus U (r.v.1941..42) REL Rival 351 (r.v.1936..37) Zesilovač 25W (r.v.~1938)