The Sony Guide to Home Theater 41
5.1-channel analog audio jacks enable a Super Audio CD player
to deliver multi-channel sound to an A/V receiver.
Optical and Coaxial Digital Audio. Digital audio connections generally do a better
job of maintaining the sound quality of digital source components, including
DIRECTV satellite receivers, HDTV receivers and DVD players. While some music
lovers prefer coaxial digital connections, optical connections are immune from
electromagnetic interference.
Digital audio outputs feed a digital bit stream to your A/V receiver.
Speaker Connections. Some A/V receivers can put out 100 watts or more to drive
each speaker. Dedicated speaker wires are used to make this connection. Speaker
wire is typically "lamp cord," consisting of two multi-stranded copper conductors
running side by side. Spring-loaded or screw-type speaker terminals hold the
conductors in position. For the best sound, observe the "polarity" by connecting the
"red," "hot" or "plus" terminal on the A/V receiver to the corresponding terminal on
each speaker. Speaker cables are usually coded to help you in this process. The "hot"
side of the speaker cable will be red, have a stripe or have ridges on the insulation, so
you won't need to trace the polarity down the entire length of the cable. In speaker
wire, lower gauges offer thicker conductors for better sound, especially over long
wire lengths.
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