Enoch Light - Cherokee - Dolby Pro-Logic II from quadraphonic - Marantz 4400 Scope　
http://youtu.be/1d69FnsCA6k??list=RD1d69FnsCA6k&;t=8#MIX
http://i1.ytimg.com/vi/1d69FnsCA6k/mqdefault.jpg

PIONEER QX-949A with Involve Audio's Surround Master SQ　
http://youtu.be/1eb961nWa48??list=RD1eb961nWa48#MIX
http://i1.ytimg.com/vi/1eb961nWa48/mqdefault.jpg

VINTAGE MONSTER RECEIVER: MARANTZ 2500 / 4400 / PIONEER QX-949 / SANSUI 9090DB / 8900ZDB / Z-7000　
http://youtu.be/IyIsa0uTyfk??list=RDIyIsa0uTyfk#MIX
http://i1.ytimg.com/vi/IyIsa0uTyfk/mqdefault.jpg

Receivers pioneer vintage desde CDMX　
http://youtu.be/hzsK01MxByk??list=RDhzsK01MxByk#MIX
http://i1.ytimg.com/vi/hzsK01MxByk/mqdefault.jpg

Genesis G59 vs Flex5000A　
http://youtu.be/OEuLZ9d6a88??list=RDOEuLZ9d6a88#MIX
http://i1.ytimg.com/vi/OEuLZ9d6a88/mqdefault.jpg

RTL2832U + Samsung galaxy s4 sdr touch　
http://youtu.be/e5e6F3E58xM??list=RDe5e6F3E58xM#MIX
http://i1.ytimg.com/vi/e5e6F3E58xM/mqdefault.jpg