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Old 16th September 2012, 10:11 PM   #5061
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Quote:
Originally Posted by Audioschipper View Post
Maybe Cliff Richard?
That post made my day...
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Old 17th September 2012, 03:00 AM   #5062
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Quote:
Originally Posted by mac View Post
The other thing to consider is that the quote comes from a noob/shill on A/C. Take that FWIW.
Umm, no. I am neither a noob or a shill. The person who quoted it may be but I am not.

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Old 17th September 2012, 03:53 AM   #5063
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shoot the messenger? Sorry, not a noob or shill.
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Old 17th September 2012, 08:58 PM   #5064
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from blog of Paul McGowan of PS Audio:

My friend and fellow audio designer Jeff Rowland came by to say hi the other day. Jeff’s always a welcome guest as he and I manage to nearly always be on parallel paths when it comes to product designs. I found Jeff and friend Tim Jerome in our listening room playing music on the new amp we’re working on developing. I’ve written before that this new amplifier is a stunning breakthrough in audio reproduction and to date I haven’t heard anything close.

The amp technology I am referring to is, as many of you guessed, based on the new Hypex class D technology and sure to form Jeff had independently made the same decision and was on a parallel path to building his own version.


Stuck in the middle | PS Audio

meanwhile it looks like Theta postponed the launch of their Hypex-based amp. so it looks like we found one of the mysterious names to use NCOREs.
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Old 20th September 2012, 06:53 AM   #5065
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Is it possible not one of the Hypex fans owns a scope? I asked several times about the amplitude of the output waveform in the absence of signal. Some people queried my motives for such knowledge while others promised to measure at first opportunity. Nothing so far...
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Old 20th September 2012, 10:33 AM   #5066
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guys the conversation on the PS Audio DAC is off topic. I'm going to split it off into a separate thread. moved to here --> Dac's for use with the Ncore Amps
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Old 20th September 2012, 11:08 AM   #5067
jtwrace is offline jtwrace  United States
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Quote:
Originally Posted by analog_sa View Post
Is it possible not one of the Hypex fans owns a scope? I asked several times about the amplitude of the output waveform in the absence of signal. Some people queried my motives for such knowledge while others promised to measure at first opportunity. Nothing so far...
This person does
NC400 THD+N vs Power
NC400 FFT Plot
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Old 20th September 2012, 11:32 AM   #5068
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Originally Posted by jtwrace View Post

Maybe he does, but i couldn't find it at the links.

I am asking something extremely simple. Hook a scope to the output, set sweep to free running oscillator frequency range (500kHz?) and get a reading of the amplitude.
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Old 20th September 2012, 01:22 PM   #5069
jlaakso is offline jlaakso  Finland
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Quote:
Originally Posted by analog_sa View Post
I am asking something extremely simple. Hook a scope to the output, set sweep to free running oscillator frequency range (500kHz?) and get a reading of the amplitude.
You described your phono preamp getting upset if you power up your Class D amp. I did not fully understand what You ment by "even when it is not used" part. Did You meen that even if your amp (the Class D one) is not connected to any equipment (sources or speakers) powering up messes with your phono preamp?
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Old 20th September 2012, 01:53 PM   #5070
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Did You meen that even if your amp (the Class D one) is not connected to any equipment (sources or speakers) powering up messes with your phono preamp?
Exactly that. There is a subtle change in phono pre noise and a not so subtle collapse of sounstage, change in tonality, reduction in microdynamics...
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