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Old 21st June 2012, 04:21 PM   #4521
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Quote:
Originally Posted by chlorofille View Post
What speakers are you using?
They started life as Hales Transcendence 8 loudspeakers but by now only the woofers are still stock. More $$$ has gone into mods/upgraded parts then what they originally retailed for ($10Kish).
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Old 21st June 2012, 06:13 PM   #4522
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Behold - the mighty breadboard!

https://dl.dropbox.com/u/14228451/IMG_4855.jpg
https://dl.dropbox.com/u/14228451/IMG_4856.jpg
https://dl.dropbox.com/u/14228451/IMG_4857.jpg

I would like to declare that despite these pictures - given enough time - I am able to build/assemble a decent piece of equipment.

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Old 21st June 2012, 06:53 PM   #4523
hifial is offline hifial  United States
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Sven, your speaker wire and spades to the Ncore amp is not done right . the spades should face the same way and I believe the wires should be twisted. Someone with more knowledge then me will confirm that and if there is anything else that needs to be addressed.
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Old 21st June 2012, 07:02 PM   #4524
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1) take the speaker leads from the same side (toward the edge), not opposite, and away from the inductor, then twist together, doesn't need to be much twist.

2) put xlr's on the input and use the amp in balanced mode. this can make a huge difference in noise induction into the amp. you will need a rca to xlr cable preferably or an adapter. see Bruno's papers for proper construction.

3) Under normal construction situations, the chassis ground from the SMPS and the Ncore would both be attached to the chassis, you could simulate that with a wire between the two. Not sure if that would make much of a difference, but may.

question, with the amp inputs disconnected (both), do you have any noise?

Alan
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Old 21st June 2012, 07:16 PM   #4525
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Quote:
Originally Posted by Bruno Putzeys View Post
..... though I think this might have been amplified by one particular member who's hell-bent on polarizing the whole discussion.....
Mention a name, or stop this vague insinuation... it's not "helping" the thread at all
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Old 21st June 2012, 07:21 PM   #4526
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I guess running the left input lead right below all the powerwiring and straight past the smps isnt helping much either
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Old 21st June 2012, 07:43 PM   #4527
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Originally Posted by pieter t View Post
Mention a name, or stop this vague insinuation... it's not "helping" the thread at all
We have been asked by the moderators to drop this, let us do so.

Alan
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Old 21st June 2012, 07:44 PM   #4528
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Originally Posted by waltzingbear View Post
We have been asked by the moderators to drop this, let us do so.

Alan
Yes, no reason for BP to bring it up again...
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Old 21st June 2012, 08:01 PM   #4529
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Quote:
Originally Posted by Bruno Putzeys View Post
With regards to supply current:
The Vsigs, as per heading 5 (titled "Recommended operating conditions and supply currents"), draw 40mA. The 10mA in the table above is not related to the supply current.
Thank you, Bruno. Great work on this amplifier. I'll post pictures and listening impressions when I have mine here and together.
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Old 21st June 2012, 10:09 PM   #4530
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Quote:
Originally Posted by pieter t View Post
Yes, no reason for BP to bring it up again...
Bruno didn't bring the issue up; he clarified in response to the poster who made the comment. If you have been following the thread you know who the member is, so there is no need to name names.

The point is that we are all here to help each other get the best out of the ncore. The ncore may not be for everybody. It's OK (even helpful) to let the members know where the ncore didn't meet your needs -- perhaps another member might even benefit from your experience. It's not OK to keep on bashing the product ad nauseum (sp?); better to just leave the forum.

Like everything else in life: keep it positive.
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