Machine Translated from Brazilian Wikipedia
Manufacturer of electronic equipment founded in 1967 which reached great success in the 70s and 80s. It was acquired by Gradient , another manufacturer of electronic equipment in 1983. Manufactured the famous line of professional audio and game 5000 Atari 2600 in Brazil.
It was founded by Moris Arditti and Mario Pucci , who were also partners in a stereo store in São Paulo , the Studio3. Later they joined the Eng Luis Alberto Leme Salvatore , who besides participating in the board acquired a minority stake in the company. For many years, the Polyvox was the biggest competitor Gradient to be acquired by it in December 1979. In addition to its facilities in Osasco , SP , the company also maintained an industrial plant in Manaus , AM .
Shortly after the acquisition, modular equipment Polyvox have supported the new brand which then began manufacturing popular devices: type sets integrated 3-in-1 radio-recorders and beyond the legendary Atari game.
In the late 1980 modular equipment were discontinued, and in turn the most popular integrated sets gave final place on shelves.
Even in the 90s it was possible to see both in store brands across the company line.
From the mid-1990s with the products Polyvox brand disappeared until it was no longer used. Currently there is no other product with this mark, although the Gradient keep your registry.
Source: Wikipedia, "Polyvox", available under the CC-BY-SA License.