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HE-5..initial musings - Page 78

post #1156 of 1668
Also is there any plan to change the connectors/ cable length?
post #1157 of 1668
Quote:
Originally Posted by immtbiker View Post
Stick to 18 volts. It says 18V input on the back, 25 volts maximum. I looked on the back of my EF-1 and it says 18V input, and Fang told me at a meet that the DY-1 P/S is interchangeable with the EF-1 instead of the brick. Japan uses 100V, not 110.
Thank you, and thanks to HiFiMAN and Head-Direct for responding to my THREE e-mails !

I was going a bit nuts after the weeks of waiting and anticipation, and really wanted to power this amp up last night, in case you couldn't tell...

So, now I am checking this combo out and I have to say that I am certainly impressed. No loose connectors, I actually really like the cable for desktop use but some nylon sheathing would be nice.

As far as fit goes, it is as effortless as the sound, but someone with a tiny noggin might have some issues as I have a well above-average hat size and they are adjusted near their smallest setting.

My initial impression on the sound, without burn-in on the amp or the cans and on the first album I am listening to, is that I've definitely never heard anything better sitting on my head, which was pretty much what I was expecting buying the matched combo

I would agree that these are extremely open cans; there's no extra sibilance, the presentation is relaxed but fast and very well balanced, and there's no cracks in the wood !

As a side note, I tried them last night in a high-gain hybrid amp/DAC that I am using for a pre-amp, the Maverick D1 (with the upgraded NOS tube), as I was waiting for confirmation on the power supply settings. With an LP as a source, I was barely able to light the HE-5s up with the D1's headphone amp, but no complaints. Then when I used the Maverick's internal DAC as the source, it actually did a decent job with the HE-5s. I heard more detail and noticed more instruments, and other nuances than I ever had before, in a recording that I listen to often, and they felt fully-driven at 2 to 3 o'clock as opposed to maxed out with the LP. This is the best the Maverick has ever sounded.

So maybe there is hope for inexpensive amplification for the HE-5s, in the form of high-gain Chinese hybrids. When I get my Indeed set up again, I will re-test this theory. The EF5 is another step up, to be sure, and has a lot more power, but the Maverick D1's headphone amp section did an admirable job with the hard-to-drive and evidently notoriously picky HE-5s. Looking forward to break-in on both the amp and cans, and then on to DAC swapping!
post #1158 of 1668
Quote:
Originally Posted by Silenced View Post
really?? Could Fang please offer an option with the the EF-5 with a wallwart and go back to the original EF-1 cost with that configuration?
Most amps are going to sound better with a dedicated P/S than a wallwart. When I changed from my Musical Fidelity V2 wallwart to the separate PSU, and my Headroom Desktop wallwart to their dedicated PSU, it was a giant leap in sound output quality.

Also, for $200 for the amp/PSU combo now, why would you want to possibly minimize the
sound of such a decent headphone? I could understand on something low end, but the HE-5/EF-5 is so sweet, why undercut it with a wallwart?
post #1159 of 1668
Quote:
Originally Posted by immtbiker View Post
Most amps are going to sound better with a dedicated P/S than a wallwart. When I changed from my Musical Fidelity V2 wallwart to the separate PSU, and my Headroom Desktop wallwart to their dedicated PSU, it was a giant leap in sound output quality.

Also, for $200 for the amp/PSU combo now, why would you want to possibly minimize the
sound of such a decent headphone? I could understand on something low end, but the HE-5/EF-5 is so sweet, why undercut it with a wallwart?
Well if the sound quality is better than I take back everything I suggested besides longer cable and improved cable entry to avoid crackling.
post #1160 of 1668
Reading this thread has became my daily homework since one month ago. Finally, I made the order tonight. I was totally poisoned by you guys!

Now the long waiting period is coming. It took two weeks to get my RE0s, hope this one will be shorter.
post #1161 of 1668
Any documented HE-5 tweaks yet?

I'd like to know more about damping techniques that experienced ortho owners are talking about.
post #1162 of 1668
Quote:
Originally Posted by FauDrei View Post
Any documented HE-5 tweaks yet?

I'd like to know more about damping techniques that experienced ortho owners are talking about.
I don't know if I'd want to mess around with a headphone that has magnets, and a really thin membrane with capacitors on it.

If people

Still though, if anyone goes for it, post away (pictures are a must). Do it after a year, though, otherwise you'll void the warranty, then you'd be in Ortho purgatory.
post #1163 of 1668
Quote:
Originally Posted by immtbiker View Post
I don't know if I'd want to mess around with a headphone that has magnets, and a really thin membrane with capacitors on it.
Really caps?
post #1164 of 1668
A man of many words...

Here's the definition from Wiki: I assumed the coils affixed to the mylar strip acted as a cap when being charged and uncharged by the magnets (perhaps that is only my interpretation, sorry if I am wrong):

Orthodynamic, isodynamic or magnetostatic drivers, are either composed of a thinly pressed disc made of tightly coiled fine aluminium wire affixed to a mylar sheet or of a printed circuit. This disc is the diaphragm. The diaphragm is then sandwiched between two magnets which have the same polarity facing each other. As a result the magnets repel from each other and so the whole assembly is clamped together. An electrical signal is passed through the disc as it would be through the voice coil of a moving coil driver and the motion produced generates the sound.
post #1165 of 1668
anyone try these with balanced b22 ?
post #1166 of 1668
Quote:
Originally Posted by immtbiker View Post
A man of many words...

Here's the definition from Wiki: I assumed the coils affixed to the mylar strip acted as a cap when being charged and uncharged by the magnets (perhaps that is only my interpretation, sorry if I am wrong):
I don't get called that too much.

I think you may just have misinterpreted how the ortho works.
I really was hoping you had an inside track on some sort of tuning circuit inside the headphone.
post #1167 of 1668
Quote:
Originally Posted by thinker View Post
The He-5 sounds full and not at all thin and the bass is very well intergrated
and is not abundant at all and the highs are smoooooth and articulated,thats what i hear .
This means that we either have different headphones or the HE-5 will be the most amp related headphones out there, i dont see other conclusion.
I agree that they're not thin at all, but on certain lower-quality recordings they're not very forgiving, and don't add anything. They can be extremely rich and textured when called upon as well, I have read others describing the HE-5s as "chameleon"-like.

The word I would use is... effortless. They banished my K701s from the room permanently, without even working up a sweat

I still like the AKGs, but they seem slow and clumsy with a misplaced soundstage and muddled instrumentation in direct comparison to the HE-5s. I was surprised that the K701s weren't much louder at the same volume with the EF5, but they were simply outclassed, no comparison.

The bass is so warm, detailed and extended on the HE-5s that the only flaw is that they leave you wanting more, much more. It is a balanced, integrated presentation, but it might be nice if the bass were just a bit more forward.

To my ears, the thing I like the best about the HE-5s so far, that I have never quite experienced before, is their tendency to "disappear completely" into the music. You don't even know they are there after awhile, quite an accomplishment in my book.
post #1168 of 1668
Quote:
Originally Posted by Zoide View Post
immtbiker: LOL

Has anyone tried the HE-5 with a Meier Audio amp like the Corda Opera?

?
Hey Zoide, in about three weeks I will be able to use a Corda Cantate.2 with them when I get back to my country. My HE-5 are on San Francisco customs right now, they should arrive anytime now this week, but will be using the PH3000 Shanling to power them. I spoke to Dr Meier and he told me that the Cantate should drive them with ease, but only experience will tell.

The impedance of these headphones is 25 Ohms. The CANTATE.2 is able to deliver a peak voltage into this load of around 4 Volts.

This implies a maximum sinus-power of 320 mW

Sensitivity of the headphones is 87 dB / mW.

Thus I will achieve a maximum soundlevel of around 112 dB.

Those are very unhealthy soundlevels!

The only "problem" might be, that the gain-factor of the CANTATE.2 is medium only. Therefore you may need a source with a relatively high voltage output (stationary CD-player, 2 Volts output) to reach adequate soundlevels.
post #1169 of 1668
Quote:
Originally Posted by grokit View Post
The bass is so warm, detailed and extended on the HE-5s that the only flaw is that they leave you wanting more, much more. It is a balanced, integrated presentation, but it might be nice if the bass were just a bit more forward.
I completely agree. After enjoying these cans for several days, I began to feel that they left something more to be desired also. Initially the HE-5's made me want to sell my D7000's. Then later I felt compelled to experiment on the Denon's with the goal of keeping similar mids and highs as on the HE-5's, but with a little more bass weight and dynamics. I came up with a open-back / open-front mod. The results are detailed in a thread I started last night:

http://www.head-fi.org/forums/f4/ah-...erence-464640/
post #1170 of 1668

An Update...

Well, I just spent some more time with these cans, and they are by far the best thing I have heard! I am not sure they have a particular weakness. The bass is tight and defined but not lacking, I am not sure how anybody would require more... The mids are heaven, and the highs are just perfect, they also have a strange way of conveying warmth and an organic sound while at the same time presenting a detailed and concise presentation... Hard to explain, but its like they change with the music, weird... Also you have a strange feeling of air with these, the soundstage is not huge but intimate, yet you get a sense of space between the music. In my honest opinion, I would be very surprised if anything can flat out top this can. I will purchase a better dac in the future to accompany my set up, but for many years to come, I am not changing my can!
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