Lobby > Amp and DAC Measurements
SCHIIT VALI - measurements.
Solderdude:
STARTED FROM HERE: http://www.changstar.com/index.php/topic,1160.msg31110.html#msg31110
The THD plots say little about the amps and more about the used headphones.
It is obvious though that THD with the Vali is higher but it is impossible to say which harmonics are caused by the Paradox and which by the O2 (I figure most if not all of it is caused by the headphone and maybe a small (obscured) portion by the measurement rig.
How do the amps themselves compare ?
I figure the Vali will have rather large 2nd (and 3rd?) harmonics levels that reach the audible limits (>0.1%) while the O2 will stay way below that.
Of course in case of the Vali the amount of (pleasant) distortion will be quite different at different output levels.
MuppetFace:
If both graphs are using the Paradox though, shouldn't you be able to make some comparisons anyway?
Solderdude:
--- Quote from: MuppetFace on October 11, 2013, 10:07:06 AM ---If both graphs are using the Paradox though, shouldn't you be able to make some comparisons anyway?
--- End quote ---
Alas no, as there are multiple unknowns where the Paradox is likely to cause most of the distortion it is hard to say what distortion products are produced by the amp(s) and at what level.
As it is now the plots are only informative about the paradox.
Marvey:
--- Quote from: Solderdude on October 11, 2013, 09:56:11 AM ---The THD plots say little about the amps and more about the used headphones.
--- End quote ---
The THD plots show how the headphones sound out of the amps. People don't listen to amps. They don't plug in the wires from the amps into their brains. They listen to headphones driven from amps.
There's a not too subtle point I'm trying to make if anyone can guess? ;)
Thujone:
--- Quote from: purrin on October 11, 2013, 03:41:25 PM ---The THD plots show how the headphones sound out of the amps. People don't listen to amps. They don't plug in the wires from the amps into their brains. They listen to headphones driven from amps.
There's a not too subtle point I'm trying to make if anyone can guess? ;)
--- End quote ---
It's a paradox!
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