[sdiy] S/PDIF cable.

[John L Marshall]

Use the 75 ohm coaxial. Do you have RG-59 foam? That would be my first
choice.

Transformers exist to convert from AES/EBU 110 ohm balanced to 75 ohm
unbalanced. The unbalanced lines can run long distances.

Take care,
John


----- Original Message -----
From: Batz Goodfortune <batzman at all-electric.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Saturday, April 27, 2002 12:23 AM
Subject: [sdiy] S/PDIF cable.


> Y-ellow all.
>          Anyone able to give me some advice on what to use for S/PDIF
> cable. Actually more of a choice between less than ideal cables available
> to me right now.
>
> I can chose from the following.
> 75 ohm coax.
> 50 ohm coax
> or
> an assortment of shielded audio-type cable.
>
> The runs have to be 5 or 6 metres in length. I guess I could do it shorter
> as the crow flies but it won't be as neat. (Yeah Ok so 'neat' is a
> subjective term here.) I know AES/EBU is supposed to be 110 ohm on a
> special figure 8 but I can't just run out and buy that anywhere so it's a
> choice of the above.
>
> The S/PDIF runs will actually be running to/from AES/EBU transformer
> coupled I/O 8 in all but the mileage may vary between sources. Some are
> transformer coupled some aren't.
>
> So what can I reasonably get away with? Shielded or 50 ohm coax would be
> ideal because I wouldn't have to butcher any plugs to get the cable to
fit.
> But if none of the above are suitable then I guess I have to re-think
> everything.
>
> Any suggestions would be most appreciated.
>
> Thanks in advance.
>
> Be absolutely Icebox.
>
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