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Atma-Sphere Class D… Amazing

Today I picked up my Atma-Sphere Class D Amps. These aren’t broken in yet. And they are simply amazing. I’ve listen to a lot of High End Class D. Some that cost many times what Atma-Sphere Class D costs. I wasn’t a fan of any of them. But these amps are amazing. I really expected to hate them. So my expectations were low. The Details are of what I’ve never heard from any other amps. They are extremely neutral. To say the realism is is extremely good is a gross understatement. They are so transparent it’s scary. These amps just grab you and suck you into the music. After I live with them some and get them broken in. And do some comparisons to some other high end Amps Solid State, Tubes and Class D’s, also in other systems I’ll do a more comprehensive review. But for now, these are simply amazing amps.. Congrats to Ralph and his team. You guys nailed on these.

 

 

128x128pstores
noske
783 posts
 

@jjss49   Perhaps not so weak and lame but rather the ill-considered rantings of someone who I suspect, judging by his incoherence and lack of respect for the English language, was drunk, stoned or high.  Whatever.

Exactly what is the reason that you chose to paste that rant on a thread dedicated to discussing the finer points of the Class D amp made by Ralph?

kuribo
524 posts
 

@csmgolf 

Did you bother to look at the suite of measurements published by Hypex or Purifi? Obviously not or you wouldn't keep chasing your tail asking me. Seek and ye shall find.

I have no interest in doing your homework for you. If you are too lazy to look and find the answers yourself, you don't deserve any more of my time. When you are ready to discuss the facts, let me know.


 

noske
783 posts
 

@kuribo It should be blatantly obvious.

No, actually. Please provide exactly what tests you wish to be performed. One at a time.

I will agree with you should you be able to be specific, rather than saying just look at the websites of Purifi and download the information provided...that is quite a rude approach to maintain.

If you desire information, it is your responsibility to request it. Politely.  I do understand that this is forum is predominately American, and I am not.

kuribo
524 posts
 

@noske 


Figure 1 THD [dB] vs. Frequency @ 4Ω
Figure 2 THD+N [dB] vs. Power @ f=1kHz
Figure 3 Frequency Response @ Vi=2.83V
Figure 4 Frequency Spectrum (FFT) @ 1kHz, 1W, 4Ω
Figure 5 Intermodulation Distortion @ 18+19kHz, 1W, 4Ω
Figure 6 Frequency Spectrum (FFT) @ 1kHz, 10W, 4Ω
Figure 7 Intermodulation Distortion @ 18+19kHz, 10W, 4Ω
Figure 8 Frequency Spectrum (FFT) @ 1kHz, 100W, 4Ω
Figure 9 Intermodulation Distortion @ 18+19kHz, 100W, 4Ω
Figure 10 Output Power vs. VP @ 1% THD
Figure 11 Output Impedance vs. Frequency

csmgolf
892 posts
 

@kuribo

I am not chasing my tail. If he measured all of the same things and showed them to you, what difference would it make? The better question would be, what measurement result would convince you it is a good value? You have already answered that question. The answer is, none.

You have your mind made up already. No homework necessary to come to that conclusion. According to you, the Hypex and Purifi measurements are already state of the art, which means they cannot be bested.

Just a little deductive reasoning would then show that you would proclaim it a poor value. You have your answer already and you know it. Quit playing the victim.

BTW, every amp I own is class D. I own a pair of speakers that use Hypex plate amps in them. Are they good? IMO yes. Is it a good value speaker system and do they sound really good? Yes and yes. Are they the best available? Uhhhh, no.

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