Czerweny Electrónica
| Company type | Private |
|---|---|
| Industry | Electrical equipment, Microcomputers |
| Founded | 1958 |
| Founder | Tadeo Czerweny |
| Headquarters | Paraná, Entre Ríos , Argentina |
| Products | Transformers, high-capacity electrical equipment, microcomputers (CZ 1000, CZ 1500, CZ 2000, CZ 1000 Plus, CZ 1500 Plus, CZ Spectrum, CZ Spectrum Plus) |
Tadeo Czerweny S.A. is a manufacturer based in Argentina specializing in transformers and high-capacity electrical equipment. The company was established by Tadeo Czerweny in 1958.
In 1985, the firm expanded into the microcomputer sector under the name Czerweny Electrónica, offering three rebranded models originally from Timex Sinclair, assembled locally: the CZ 1000, CZ 1500, and CZ 2000. These computers utilized hardware sourced from Timex Portugal, the Portuguese division of Timex Sinclair, ensuring almost complete compatibility with the original Sinclair systems. The CZ 1000 corresponded to a rebranded Timex Sinclair 1000, the CZ 1500 mirrored the Timex Sinclair 1500, and the CZ 2000 was a Spectrum-compatible unit housed in a Timex Sinclair 1500-style case.
Subsequently, imported parts were substituted with domestically manufactured components, and additional features such as joystick connectors, composite video outputs, and reset buttons were incorporated. This evolution resulted in new models debuting in 1986 with unique Czerweny-designed cases: CZ 1000 Plus, CZ 1500 Plus, CZ Spectrum, and CZ Spectrum Plus. Monthly production reached approximately 4,000 units. Czerweny’s computers held their own in the Argentine market against Brazilian TK series machines and authentic Sinclair products.
The manufacturing facility located in Paraná, Entre Ríos was destroyed by fire in 1986, which brought an end to Czerweny's computer manufacturing operations.
CZ 1000
Launched in 1985, the CZ 1000 was essentially a rebranded Timex Sinclair 1000, itself a clone of the Sinclair ZX81. This compact device came equipped with only 2 KB of RAM, aimed at beginners and hobbyists.
CZ 1500
The CZ 1500 represented a relabeled Timex Sinclair 1500 featuring an increased memory capacity of 16 KB RAM. It preserved the ZX81’s straightforward design while enabling more advanced software use.
CZ 2000
The CZ 2000 signified a move towards more sophisticated computing as a clone of the ZX Spectrum. Although it shared similar casing with the CZ 1500, it was distinguished by the ZX Spectrum rainbow emblem, indicating enhanced graphics and audio capabilities.
CZ 1000 plus
Introduced in 1986, the CZ 1000 plus upgraded the original CZ 1000 by adopting a redesigned chassis, rubberized keys, dual joystick ports, composite video output for improved display quality, and a reset switch. These enhancements were geared toward gaming and more demanding applications.
CZ 1500 plus
Also released in 1986, the CZ 1500 plus incorporated identical improvements as those found on the CZ 1000 plus, boosting overall usability and functionality.
CZ Spectrum
Debuting in 1986, the CZ Spectrum combined ZX Spectrum compatibility with features from the CZ 1000 Plus within a larger enclosure. It included rubber keys, joystick connectivity, and a reset button to offer a sturdier build.
CZ Spectrum plus
The CZ Spectrum plus, launched in 1987, refined the ZX Spectrum design by adopting a case style similar to the Spectrum+. It featured joystick ports, composite video output, a reset button, and localized Sinclair BASIC messages translated into Spanish to better accommodate Argentine users.