Tesla T 504 U II “Pionýr” – Bakelite Tube Radio (1949, Czechoslovakia) In excellent condition – No reserve. A highly collectible and visually striking example of early post-war European industrial design: the Tesla T 504 U II, affectionately known as the “Pionýr.” Produced in Czechoslovakia around 1949–1950, this model reflects the transition period where functional engineering meets emerging modernist aesthetics. The beautifully sculpted Bakelite cabinet, in a rich marbled dark brown tone, gives the piece a strong architectural presence. Its rounded, almost aerodynamic form is characteristic of late Art Deco transitioning into early Mid-Century Modern design language. The front is dominated by a warm textile speaker grille and elegant horizontal chrome accents, while the glass tuning scale displays a wide range of European stations—an evocative reminder of its original era of use. The rear panel is particularly noteworthy, retaining its original printed schematic and voltage markings, a feature highly appreciated by collectors for both authenticity and display value. Historical Context Tesla was the state-owned electronics manufacturer of Czechoslovakia and played a key role in making radio technology accessible in the post-war years. The “Pionýr” models were designed as reliable, versatile household radios during a time when broadcasting was central to daily life. The “U” designation refers to its universal power capability, allowing operation across multiple voltage standards—an advanced feature for its time. Technical Specifications Manufacturer: Tesla (Praha / Bratislava, Czechoslovakia) Model: T 504 U II (“Pionýr”) Year: 1949–1950 Type: 6-circuit superheterodyne receiver Wavebands: LW, MW, SW1, SW2 Tubes: UCH21 (x2), UBL21, UY1N Loudspeaker: Ø 160 mm permanent magnet dynamic speaker Power supply: AC/DC universal (120V / 150V / 220V / 245V) Dimensions & Weight 24.5 x 34 x 16.5 cm (h x w x d) Approx. 4.5 kg Condition Bakelite cabinet in excellent/ near mint condition with deep gloss and minimal signs of age Original speaker fabric well preserved with light, age-appropriate wear Glass tuning scale intact and clear Rear panel complete with original printed diagrams Interior components present and visually well preserved This radio originates from a private collection and has been carefully preserved over time. Approximately 10 years ago, the radio was checked and is complete, including all original tubes. The electrical cord has been professionally replaced. The radio is currently untested and is therefore sold as a decorative collector’s item. Use is entirely at the buyer’s own risk. A superb and authentic collector’s piece, combining strong visual appeal with historical significance. Its bold Bakelite form and warm tonal palette make it not only a functional object but also a true eye-catcher in any interior or collection. Note With all vintage electrical items, a safety check by a qualified professional is recommended before use.