Hi fi vintage system Gradiente Esotech, of Brazil (Manufactured between 1984). 巴西1984年代的舊優質音響系統。

Antigo sistema de som modulado tri-amplificado Gradiente Esotech com minidisc players Sony MDS 530 e 640 JE.

Old system modulated sound tri-amplified Gradiente Esotech with minidisc players Sony MDS JE 530 and 640.

Video gravado em uma filmadora Sony HDR 220 CX.

Видео Hi fi vintage system Gradiente Esotech, of Brazil (Manufactured between 1984). 巴西1984年代的舊優質音響系統。 канала Ivo rocha junior