Caixas Gradiente Quarteto de 1973 - Restauramos esse clássico que toca bem aos 50 anos de idade
48:26
Sansui SF-1 omnidirectional speakers spread sound all over and brought 2 situations to analyze
22:28
How to match speakers, or... Be careful when buying cheap speakers!!!
1:10:25
Gradiente Mini-Oito speakers from 1971 - Restoration, history, analysis and tests
21:56
Caixas Gradiente linha Concert - São ótimas, mas será que servem para você? Análise completa
24:15
QUEM TOCA MAIS ?? MODEL 366 ou MODEL 360 - DUELO ENTRE GRADIENTES ANOS 70 / 80 AMPLIFICADOR
22:52
Speaker power handling - know this trick to assess how much it can handle
26:41
HI-FI speaker factory in Taiwan - Why aren't there companies like this here in Brazil?
12:19