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Nikhilbhachu
0
Oct 6, 2018
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Can it power hd6xx??
Oct 6, 2018
jaydunndiddit
3262
Oct 26, 2018
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NikhilbhachuThis unit outputs about 2.8 Vrms at 32 ohms. The 6XX loves voltage so this unit it going to be maxed and offer poor sonics for the 6XX. Even my iFi nano BL which can drive up to 600 ohm loads and puts out 3.7 Vrms still isn't enough for the 6XX or 58X. I really wouldnt look at anything under 7 Vrms to push these Senns as intended.
Oct 26, 2018
PeteMtl
441
Oct 26, 2018
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jaydunndidditThe HD6xx needs about 17mw (maybe a few more for peaks but not much more) to render 110db under 300 ohms. All you really need is 2Vrms. YMMV but then you should be careful with your mileage... with your ears that is...
Oct 26, 2018
jaydunndiddit
3262
Oct 26, 2018
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PeteMtlThe upper limit is to accomodate for transient bursts. It can actually go as high as 120 dB for very detailed music so you must take that into account when calculating headroom. I listen normally around 80 dB so I always set my ceiling for 110 dB+ (I'd rather be covered than not, just in case). Not to mention, the huge impedance swings of the 6XX family and the fact they love gobs of voltage. An LG V30 outputs 2Vrms and it is not capable of pushing the 6XX as intended. Ask me how I know that. I've listened to the 6XX balanced out of some very powerful amps (iFi iCAN, THX 789, etc) and that additional power makes a world of difference. So while you may push them to a reasonably loud volume, you're not providing enough voltage to the drivers to push them with authority and wake the 6XX up. I'd rather err on the side of caution and not have folks waste coins on a device that isn't made for high impedance headphones and push them towards a unit that can.
Oct 26, 2018
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