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HiFiman HE-500 (HE as in High End) Proving to be an enjoyable experience in listening. . - Page 338

post #5056 of 18029

I am not sure how you can call the HE-500 FR "incoherent" because it looks pretty damn flat to me.... Not really far off from a Sennheiser HD600 or AKG 701 except for above 11khz but I would imagine that flat FR response from 10-20khz would not sound pleasant at all unless you enjoy tinnitus sound.

post #5057 of 18029

With Jerg's v1.1 I do find the timbre to change slightly compared to stock pleathers. The sound kind of shows a greater clarity in the upper mids, a bit more definition so to speak. But it still remains dark and smooth-ish, probably due to the still recessed 'lower-upper' mids, and I find them to be ever so slightly too dark in a way so that it breaks the coherency of the sound ever so slightly.

 

Actually, I found the velours to have an over all more coherent sound than Jerg's, but the timbre wasn't as correct, it was a little congested/not so clear (even a bit nasal at worst) which also kinda made the treble a bit annoying too. It just didn't sound as realistic in direct comparison to the Jerg's, but the velours did have a more coherent presentation in the mids (think like 1kHz to some 3 kHz).

post #5058 of 18029

Just to be clear, frequency is a measurement. Pitch is the perceived frequency. Just like how amplitude is measurement and and loudness is perceived. The above pair don't always yield a linear correlation, especially on these planars with good transient response. For example, play two tones of same frequency, like 150 Hz, with a difference between them in time, say 1 second rest. Now as you shorten the rest between the tones, people often tend to think that the pitch is increasing, even though it's just the rest getting shorter, while the frequency stays the same. This can get a bit tougher on the planars as well due to how well they can deliver transients.

 

Regarding the topic: can you have correct timbre with an incoherent FR? As M-13 mentioned before, timbre has to do with fundamental and its harmonics. Although what really causes the perception of the timbre is the distribution of the energy among the fundamental and it's harmonics. If the fundamental of an instrument has majority of it's energy in the fundamental and early harmonics, then even if the higher frequency has dips, it won't matter too much as your brain will automatically fill it in. 

 

You would actually laugh at how terrible the sonogram would look for telephone communication. It is a very limited bandwidth, yet we can hear each other's voice perfectly since our brain fills in for the information.

 

Also, not to mention that the upper limit of phase locking in humans in 5000 Hz. The HE-500 up to that area is quite flat.

post #5059 of 18029

Interesting post thanks

post #5060 of 18029

Does anyone use he500 as speakers?? I do it all the time. They leak so much that if i turn the volume fully up on my 11.32 then i can use them as speaker as the temperature in my area right now reaches 120F in daytime, it is hard for me to use them as headphones due to the immense heat they can generate on the head. They are so damn clear and detailed even as speakers:D

post #5061 of 18029
Quote:
Originally Posted by h4mm3r 0f th0r View Post

Does anyone use he500 as speakers?? I do it all the time. They leak so much that if i turn the volume fully up on my 11.32 then i can use them as speaker as the temperature in my area right now reaches 120F in daytime, it is hard for me to use them as headphones due to the immense heat they can generate on the head. They are so damn clear and detailed even as speakers:D

My daughter enjoys the leak as she's always at my side at bedtime… LOL.. Its funny that even the leak gives you almost same quality of the other side of headphone, including the damn Bass… Regarding the heat, i dont have such issue. Can you please elaborate...

post #5062 of 18029

Wonder how much they can take before you have to fear that they get damaged. I'm thinking a couple of watts of effect when the signal output peaks would be safe... Have you heard about anyone blowing the drivers yet?

post #5063 of 18029
Quote:
Originally Posted by davidsh View Post

Wonder how much they can take before you have to fear that they get damaged. I'm thinking a couple of watts of effect when the signal output peaks would be safe... Have you heard about anyone blowing the drivers yet?

The most powerful amp i have so far is the National… I made it to max and still comfortably breathing… Lets see what Lyr have to offer, i will stress the HE500 when my Lyr arrives later this week...

post #5064 of 18029

Cranking the volume gradually up will not likely to blow your phone, there shall be warning signs =p.

 

Sudden surge of power however ... That's why we got relay/soft start circuit in most power amps.

post #5065 of 18029
Quote:
Originally Posted by knights View Post

The most powerful amp i have so far is the National… I made it to max and still comfortably breathing… Lets see what Lyr have to offer, i will stress the HE500 when my Lyr arrives later this week...

Looking forward to hear about that :P

But the amp can potentially distort when turned that loud, which could cause damage, am I right?

post #5066 of 18029

I just got my he-500 some days ago, and felt that something was wrong. Measured them today. 24,9 ohms on the left and 36,8 ohms on the right. Not good.

 

Think I'll send the shop an e-mail...

post #5067 of 18029

I read somewhere that most hifiman headphones have an impedance mismatch but there is something that they do during manufacturing that basically renders it a non-issue. I'm not an engineer so I don't know exactly how it works.

post #5068 of 18029
Quote:
Originally Posted by Stalker81598 View Post

I read somewhere that most hifiman headphones have an impedance mismatch but there is something that they do during manufacturing that basically renders it a non-issue. I'm not an engineer so I don't know exactly how it works.

Yep; they match the drivers based on volume and the impedance is almost always quite variable (mine are 32 Ohm and 45 Ohm, for instance). The only time when this might become an issue is if you pair the HE500s with some really high impedance amps.

post #5069 of 18029
Quote:
Originally Posted by knights View Post

My daughter enjoys the leak as she's always at my side at bedtime… LOL.. Its funny that even the leak gives you almost same quality of the other side of headphone, including the damn Bass… Regarding the heat, i dont have such issue. Can you please elaborate...


just saying that my country is too hot... close to 50 celcius in day time so i dare not put such a big thing on my head:D

post #5070 of 18029
Quote:
Originally Posted by h4mm3r 0f th0r View Post


just saying that my country is too hot... close to 50 celcius in day time so i dare not put such a big thing on my head:D

Holy hell that's nasty. The worst I've experienced in my life was about 46 C and even that was insufferable. Is 24/7 air conditioning not the common practice in Pakistan? It certainly is here in Canada.

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