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Posts by takato14

The K812 may have some QC problems, btw. Tyll's two pairs measured quite differently and a couple highly regarded users (like MuppetFace) love their K812s. I am listening to the same unit Tyll measured here, which has measurably higher upper range distortion as well as peakier/rougher treble than the Q701 that he measured. I'd like it if MF could send her unit in, so we could see for sure, but she doesn't seem too keen on that...
It's not unpleasant to listen to, but the Q701 bests it in almost every conceivable way at under 1/7th the cost. The only thing I can really think of that the K812 does better is bass extension. It is otherwise much rougher and less refined overall. YMMV and all that ****, though I probably shouldn't have ranked it as low as I did on the second list. It's still a relatively nice sounding headphone.
based on realism/accuracy + technical capability + refinement   AKG Q701 Sony MDR-605 (modded) Audio-Technica ATH-5 Sansui SS-35 Pioneer SE-500 (modded) AKG K812 (bad) Sterling TE-400 (bad) Beyer DT48 S 5 ohm  Pioneer SE-300 (bad) Pioneer SE-700 (horrid)   based on enjoyment   Pioneer SE-500 (bizarrely alluring and pleasant sounding) Sansui SS-35 (not enough treble, otherwise great) Sony MDR-605 (idk they're good but something about them is...
That is not related to what I was talking about in any way. That's talking about a specific amplifier topology that is (currently) very esoteric and nothing like the Asgard's design. What I was talking about was amplifier/headphone matching. There is an ideal ratio of voltage to current for every headphone. Specifics for any particular headphone are very difficult to calculate, but the generalization is that low impedance requires a lot less voltage to push adequate volume...
It's not that it's not enough. It's too much. The Asgard favors voltage over current, which is good for high impedance (250+ ohm) headphones. It's not quite so good for low impedance headphones, which will get too loud too early on the volume control, preventing you from getting as much current into the headphone as you could with a lower voltage design. It's almost always better to put as much current into something as possible, as it generally increases driver control...
The Asgard is voltage driven, which isn't necessary for a low Z headphone like the MDR-Z7. I'd suggest something that pushes more current (low gain Objective2, Matrix M-Stage, Burson Soloist, Violectric V200), or some resistors if you absolutely must have the Asgard and don't care about signal integrity loss.
Sansui SS-100 incoming. Prepare yourselves for the headphone porn.
Nope, tried that. The imbalance persists at all volume levels. It is not present with any other headphones, either.
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