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What's the difference?
I thought digital audio cables where either Coaxial or Optical.
Coaxial Digital has the RCA type connectors and Optical Digital has the Toslink type.

J.
 

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McIntosh MX5000.
And yes the 7990, but only the Japanes version (7990J).
The US version has Toslink.

J.
 

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Discussion Starter · #7 ·
What's the difference?
I thought digital audio cables where either Coaxial or Optical.
Coaxial Digital has the RCA type connectors and Optical Digital has the Toslink type.

J.
Optical cables send the digital information via a stream of light pulses. They are fragile and cannot be bent much or you will likely damage the internal fibers, cause reflections of the light, and thus degradation of the digital signal, resulting in such things as pops, dropouts, etc. Coax cables send the digital information electrically across the metal conductors inside, and are much more durable. They are susceptible to picking up noise, but in a car application, their durability might be advantageous given how much we often have to run cables at angles in order to get them to fit.
 
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