[clpetersen]

Much more important than the brand of the cable is the twisting, especially of the loudspeaker wires. Make sure you follow the directions on twisting and avoiding loops diligently.

Hello Julf - you are referring to the wires between the NC400's speaker outputs and the XLR connectors on the chassis/enclosure, correct?
Do people typically mount the NC400's as close as possible to the XLR bulkhead connectors for this reason?

[jtwrace]

Hello Julf - you are referring to the wires between the NC400's speaker outputs and the XLR connectors on the chassis/enclosure, correct?
Do people typically mount the NC400's as close as possible to the XLR bulkhead connectors for this reason?

He's referring from the NC400 module to the binding posts. 


It's a fine balance of mounting the NC400 close to the connectors but also being able to route the wires in such a way that there is no crosstalk with the other wires (power) for example. 

[Julf]

He's referring from the NC400 module to the binding posts. 

Exactly.

It's a fine balance of mounting the NC400 close to the connectors but also being able to route the wires in such a way that there is no crosstalk with the other wires (power) for example.

But even more important is to route the wires so that there are no significant untwisted loops. The trickiest point is at the nc400 module output connectors, where it is all too easy to place the wires so that they start out going in opposite directions, forming a loop in a very critical area.

[clpetersen]

Thanks for the pointers. Yes, I meant the speaker binding posts, not the XLR.

Is this an external noise pick-up concern into the loop or a cross-talk concern - i.e the loop influencing the system?. I could see a loop with a high current causing a noise (magnetic field induced) issue elsewhere. But will be careful, nonetheless.

[Julf]

Thanks for the pointers. Yes, I meant the speaker binding posts, not the XLR.

Is this an external noise pick-up concern into the loop or a cross-talk concern - i.e the loop influencing the system?. I could see a loop with a high current causing a noise (magnetic field induced) issue elsewhere. But will be careful, nonetheless.

Noise pickup - the nCore has a feedback loop from output (post-filter) to input, so any noise injected at output will end up back in the input.

[dpd]

Here's what I did to wire the speaker outputs from the nCore 400.  I just braided some wires.  Length about 2"

[Julf]

Here's what I did to wire the speaker outputs from the nCore 400.  I just braided some wires.  Length about 2"

You have a bit of what I warned about - too much distance between the wires from the output posts until the braiding kicks in. Ideally the wires should both be starting out heading inwards.

[jtwrace]

Further, the wires need to come out of the NC400 from the same side of the terminals.  So looking at your picture the black wire on the right needs to be moved to the left.  This is per Bruno.

[zenpmd]

A quick soldering question - does anyone use flux?

[Julf]

A quick soldering question - does anyone use flux?

I don't apply flux separately, but definitely use flux-filled solder.

[zenpmd]

Hmm, I used this on my test build. Sounds like it doesnt have flux in it?

http://www.mains-cables-r-us.co.uk/audiophile-grade-solder/287-furutech-s-070-silver-solder-1mtr-length.html?search_query=solder&results=95

[Julf]

Hmm, I used this on my test build. Sounds like it doesnt have flux in it?

http://www.mains-cables-r-us.co.uk/audiophile-grade-solder/287-furutech-s-070-silver-solder-1mtr-length.html?search_query=solder&results=95

Audiophile grade solder? Makes your feet tap?

Solder is solder. Would audio be a more demanding application than aerospace?

[zenpmd]

Julf - you are preaching to the converted I just bought that as I was buying other stuff from them for ease (there are no hardware shops within easy driving distance here). I would have expected it to at least have done no harm, but turns out it is now!!!

What is the "standard electrical wire" everyone is speaking of, can someone give me an example? And can you give me an example of a good brand flux filled solder? Just want to make sure I get the right thing.

Thanks!

[jtwrace]

Kester Solder is all one needs.  Here is a small sample of what the packaging looks like.  I have many spools!  If you feel the need they have Silver Solder which is what all these other companies buy and resell. 

[zenpmd]

Brilliant thank you! What about electrical wire?

[zenpmd]

Whats the deal with Halogen or non-Halogen? And "no clean" "water soluable" and "rosin based"?

[Julf]

there are no hardware shops within easy driving distance here

Can you remind us where you are based - that helps to pick the web shops to link to for stuff like standard wire.

[zenpmd]

Sorry, Im in the UK!

[Julf]

Sorry, Im in the UK!

In that case, here is an example of a typical generic connecting wire.

[zenpmd]

that link appears to be broken