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Got my HD6XX 2 days ago. I am not an audiophile, here is my honest observation.
- Out of the box, it sounded veiled / a bit harsh. After hours of burn it, they are sounding much better. Hopefully it will continue to improve with more burn-in time. also the HD6xx is not for bass heads.
- It needs a good source ! So-so quality files will painfully sound crap !
- Because of its 300 ohm rating, the HD6XX needs lots of power. I have a Schiit Magni2 / Modi2 stack. With my usual earphones, the volume knob is usually between 10 to 11 o'clock. For HD6XX i had to crank it up between 2 to 3 o'clock ! Even though its loud enough, I feel the Magni2 is having a hard time and i do not like cranking any amp up to 3 o'clock. IMO the HD6XX needs a more powerful amp to drive it properly. I would welcome any amp suggestions.
I too have had my hd6xx for a couple of days now. And, also like you, they were a little underwhelming for me straight out of the box. I of course was tempted to think that it was because they needed burn in, but then I read some things recently about burn-in in and its lack of legitimacy. I'm not sure where I stand on that issue, but I will say this: the cans started sounding much better after I had listened to them for a while.
Now what I've read recently is that it's not so much a matter of burn-in as it is our ears are becoming accustomed to this new set of headphones...this new sound signature, if you will. Sounds reasonable enough. May not be correct, but it sounds reasonable.
Anyway, I'm now enjoying my HD6xxs very much. I'm pushing them with a Magni 3 and that seems to be plenty of power.
I dont know why, but for most new headphones i would usually leave it playing on the table for hours as i do not like how they sound out of the box.
Looks like the Magni3 is more powerful : 430mW RMS @ 300 ohms compared to 260mW RMS (Magni 2). I bet it is easier for the Magni3 to drive the 6XX .
I am enjoying the 6XX too. I may save up for a Valhalla2 or a Jotunheim2 ; something that will let the 6XX show its capabilities more and hopefully i do not have to crank the vol knob past 1'oclock :)
Emotiva A-100 with the jumpers installed. The sound will be night and day.
Omg ! I saw Z Reviews with the Emotiva A-100 . With the jumpers installed u r sending full 50W to the headphone jack. Emotiva has a disclaimer on it. One small mistake and your headphones are toast. Thats scary :(
it's completely safe with the hd6xx as they are 300 ohm headphones. the 50w per channel is only @ 8 ohm. it's only really dangerous on low impedance headphones. Heres the power output with the jumpers installed:
8 Ohms: 50 watts / channel
33 Ohms: 12 watts / channel
47 Ohms: 8.5 watts / channel
150 Ohms: 2.6 watts / channel
300 Ohms: 1.3 watts / channel
600 Ohms: 0.6 watts / channel
thanks for the extra info. I guess i just got scared when i read Emotiva's disclaimer that i did not read the specs completely. I am sure with that amount of power ( 300 Ohms: 1.3 watts / channel ) "the sound will be night and day" as you have mentioned. Will keep the Emotiva in my list :)
I usually use my Chord Mojo DAC/Amp to drive my HD6XX. I seldom need to raise the volume above the double yellow lights. If you're familiar with the mojo you know that means there is plenty more volume to be had out of it. It doesn't give the 300 ohms a second thought and has an unbelievable amount of output power for something that is no bigger than a pack of cigarettes.
They sounded veiled out of the box to me. I left them running with music about 12 hours the veil I heard is mostly gone so I do think they break in.
Hi, what amp are u using ? What is the power rating at 300 ohms ?