SPDIF coax cables

[Jules Ryckebusch]

> Does anyone know how SPDIF cables should be made up? I know there's 
> a requirement of 90ohm (?) impedance, but not how that is supposed to 
> be achieved...?
> 
> It seems noone around here actually stocks premade SPDIF cables...
  You can actually use regular RCA to RCA cables. I have made ones 
using thin 75 ohm coax with no problem running 20 feet. If anyone 
knows where to get 90ohm cable, I would like to know!

Jules