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Old 31st December 2012, 10:35 PM   #5811
cjf is offline cjf  United States
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Hello, thanks for your response but I don't think I understand what this means. Is "UcDxxxHg + HxR" different or the same technology as what is found in the NC400 everyone is building?

Has anyone attempted to team one of these NC400 amps with a traditional Class A/AB amp in a Bi-Amp configuration? If someone were to do this and taking into consideration the NC400's electrical behavior while attached to a speaker load which half of the speaker would be best suited for this type of Amp (ie..Mid/Tweet or Bass Drivers section)?

For the sake of example, lets say the speaker in question is a B&W 803 Diamond and the Class A/AB amp is a Pass Labs X250.

Thanks
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Old 1st January 2013, 12:09 AM   #5812
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go to Hypex's web site and read their product info.
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Old 1st January 2013, 12:53 PM   #5813
Julf is offline Julf  Europe
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Quote:
Originally Posted by Paulkouhan View Post
Do I need to add a soft start ?
No, the SMPS600 has a built-in softstart.

Quote:
Can I use a wood enclosure ?
Sure, as long as you ensure sufficient cooling, and pay attention to ground/earth issues.
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Old 1st January 2013, 03:18 PM   #5814
OllBoll is offline OllBoll  Sweden
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Quote:
Originally Posted by cjf View Post
Hello, thanks for your response but I don't think I understand what this means. Is "UcDxxxHg + HxR" different or the same technology as what is found in the NC400 everyone is building?

Has anyone attempted to team one of these NC400 amps with a traditional Class A/AB amp in a Bi-Amp configuration? If someone were to do this and taking into consideration the NC400's electrical behavior while attached to a speaker load which half of the speaker would be best suited for this type of Amp (ie..Mid/Tweet or Bass Drivers section)?

For the sake of example, lets say the speaker in question is a B&W 803 Diamond and the Class A/AB amp is a Pass Labs X250.

Thanks
The designer Bruno has described that the superiority of the NCore is in the midrange and upwards, especially in the high frequencies. In the bass he recommended the UCDs since he didn't seem to believe there would be any improvement here by using the more expensive NCore as long as it was a proper active setup.
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Old 1st January 2013, 05:19 PM   #5815
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That is not true. If you look at the distortion graphs for both UcD and Ncore, you clearly see that the Ncore is superior in the bass range as well, and those superior specs are indeed audible.
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Old 1st January 2013, 05:32 PM   #5816
OllBoll is offline OllBoll  Sweden
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Quote:
Originally Posted by StigErik View Post
That is not true. If you look at the distortion graphs for both UcD and Ncore, you clearly see that the Ncore is superior in the bass range as well, and those superior specs are indeed audible.
Sure, but the drivers themselves distort much more more in that region. I'm more inclined to believe Bruno
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Old 1st January 2013, 05:33 PM   #5817
Julf is offline Julf  Europe
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Originally Posted by StigErik View Post
those superior specs are indeed audible.
Is that a purely subjective opinion, or have you done some proper double-blind ABX listening?
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Old 1st January 2013, 05:35 PM   #5818
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They distort a lot more than the Ncore in the midrange the treble as well. In general, no speakers have less than 0,3% harmonic distortion, and usually the IMD figures are very bad.
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Old 1st January 2013, 05:35 PM   #5819
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Quote:
Originally Posted by Julf View Post
Is that a purely subjective opinion, or have you done some proper double-blind ABX listening?
Yes and yes.
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Old 1st January 2013, 05:38 PM   #5820
Julf is offline Julf  Europe
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Originally Posted by StigErik View Post
Yes and yes.
Good answer!
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