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-   -   Signal leads for balanced miniDSP - 3-wire vs. 2-wire+outer braid (http://www.diyaudio.com/forums/minidsp/210512-signal-leads-balanced-minidsp-3-wire-vs-2-wire-outer-braid.html)

Pallas 10th April 2012 09:44 PM

Signal leads for balanced miniDSP - 3-wire vs. 2-wire+outer braid
 
I plan on purchasing an 8x8-in-a-box unit for my mains once they are shipping, and I may also at the same time spring for a 2x4-in-a-box balanced to replace the 2x4-in-a-box unbalanced miniDSP I currently use for my Geddes-style multisub system. (Why? To get higher signal levels to my sub amps.)

When the miniDSP is available and shipped, I want to be ready to go. One of my amps has standard RCA inputs, and no balanced inputs. An amp I have on order has Phoenix/Euroblock inputs and no XLR or RCA inputs.

For the latter amp, is there any reason to go with a three conductor wire compared to one with 2 conductors and an outer braid, besides the fact that three conductors will likely look more elegant than stuffing a braid into one terminal?

Note: please limit answers to the narrow confines of the above question. I'm not interested in the "sonic properties" of different brands of wire, or other such things.

minidsp 18th April 2012 09:40 AM

@ Pallas,

A 2 conductor with outer braid (shield) would be the way to go.In a balanced wiring, the shield's purpose is to shield the noise from the audio signal. i.e. if you have a 3 connector wire, it won't provide "shielding".

Makes sense?

DevTeam

Pallas 18th April 2012 03:16 PM

Quote:

Originally Posted by minidsp (Post 2990066)
@ Pallas,

A 2 conductor with outer braid (shield) would be the way to go.In a balanced wiring, the shield's purpose is to shield the noise from the audio signal. i.e. if you have a 3 connector wire, it won't provide "shielding".

Makes sense?

DevTeam

Thanks. I was trying to be cheap and use wire I already had, but ended up getting a good deal on some surplus Belden 9154, which is 20AWG twisted pair inside a foil shield with a drain wire.

Looking forward to using it with the 8x8 miniDSP when you're shipping the boxed versions. :)


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