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$350CAD HERUS: Asynchronous USB Audio 2.0, 24bit 352.8Ks/S, DXD and DSD64/128, 2.4VRMS Headphone DAC - Page 12

post #166 of 263

Cool, thanks for the info. OK, so where can someone in the US buy these?

The only place I found was an online store based in Canada.

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post #167 of 263

US distributor sells them HERE on Audiogon. 

post #168 of 263
Quote:
Originally Posted by project86 View Post
 

US distributor sells them HERE on Audiogon. 

He means where to find the Furutech adapter if I've read it correctly.

 

I concur there seems to be no place in the U.S. stocking them, I got mine from PartsConnexion in Toronto in late 2013 , at that time there was only the recessed input version available.

 

I bet a Furutech dealer like VH Audio is willing to order them, or just order it from PartsConnexion but whichever way make sure they can get you that newer "S" version".

post #169 of 263

Yep, talking about the adapter.

 

If I order from PartsConnexion, can I return it if I feel there is no difference from the generic adapter I already have like I could with Amazon or similar?

post #170 of 263
Quote:
Originally Posted by nipponbiki View Post
 

Yep, talking about the adapter.

 

If I order from PartsConnexion, can I return it if I feel there is no difference from the generic adapter I already have like I could with Amazon or similar?


You'd certainly have to iron out any such details with PartsConnexion, or any other prospective seller.

 

Typically the cost of shipping makes that kind of thing silly/prohibitive, you would bear the cost of shipping it both ways, the seller will not give you a free ride just so you can try and not buy. That shipping cost is about the same as the unit itself.

 

An item like this is not some sort of snake oil hoax where you get taken, unless you buy a counterfeit from Hong Kong.

 

The reason it is expensive relative to a generic version is due to it being machined from phosphor bronze, rather than the ubiquitous and less conductive brass, as well as undergoing Furutech's proprietary alpha process consisting of both deep immersion cryogenic treatment, and ring demagnetization.

 

You could argue or worry all day long as to whether any of that makes a big enough sonic difference to you, however the Furutech brand name and product pedigree is beyond reproach, their reputation precedes them and exactly nothing they make isn't well engineered with super attention to detail written all over it.

 

Your public profile details say you are in Nagoya Japan? Why don't you just buy it there? Or if you aren't there but maybe know someone who is, see if they can get it for you in Japan for less than the $22 price in North America.

post #171 of 263

No longer there unfortunately.

I have Amazon prime, so it typically a no-cost transaction to try and return something if not satisfactory.

 

It wouldn't be worth it to have something shipped to me from Japan, unless it was along with other stuff being shipped from family there, but that isn't due for a while.

 

I just hate dealing with companies I have never heard of before, especially if they are in another country, but it is an inexpensive part, so I guess I will just go ahead and order from them if there is no one in the US.

 

Thanks for the info.

post #172 of 263
Quote:
Originally Posted by nipponbiki View Post
 

No longer there unfortunately.

I have Amazon prime, so it typically a no-cost transaction to try and return something if not satisfactory.

 

It wouldn't be worth it to have something shipped to me from Japan, unless it was along with other stuff being shipped from family there, but that isn't due for a while.

 

I just hate dealing with companies I have never heard of before, especially if they are in another country, but it is an inexpensive part, so I guess I will just go ahead and order from them if there is no one in the US.

 

Thanks for the info.


Then use your cheap brass adapter until such time as the next shipment to you from Japan can be arranged.

 

Or bite the bullet on EMS from Japan, it will be a similar cost as shipping from Canada to the U.S.

 

You might also call the U.S. importer, or a good U.S. dealer like VH Audio, to arrange it that way with less shipping cost.

 

Amazon Prime isn't free shipping, it's prepaid shipping in the form of $99, and someday they will raise it again as nothing including shipping is "free". With Prime you front them the shipping costs and then pay yourself back all year long.

 

It is unrealistic to expect smaller sellers to offer Amazon-like shipping terms, there is only one Amazon.

post #173 of 263

I just got this to replace the Fiio E10 DAC I was using at work to feed my amp. I took my Theorem home with a couple of weeks ago and had been using the E10 since then. I have to say the difference is night and day compared to the E10 (no surprise)

 

The DAC part of the HERUS is wonderfully clear, detailed and musical. Very extended in all ways and it has good bass. I'm happy to have a decent DAC again at work.

I've mostly been using the HD650 here at the office and I can't say I like it straight out of the Herus, bass just isn't there and the mids are missing body. It seems to be underpowered. What are your experiences with this headphone?

 

I'll try some iems later. Anyway, I'm a happy new owner.

 

Edit: people here mostly talk about cables and daps and not the sound of this wonderful unit


Edited by Ultrainferno - 4/9/14 at 3:02am
post #174 of 263
Quote:
Originally Posted by Ultrainferno View Post
 

I just got this to replace the Fiio E10 DAC I was using at work to feed my amp. I took my Theorem home with a couple of weeks ago and had been using the E10 since then. I have to say the difference is night and day compared to the E10 (no surprise)

 

The DAC part of the HERUS is wonderfully clear, detailed and musical. Very extended in all ways and it has good bass. I'm happy to have a decent DAC again at work.

I've mostly been using the HD650 here at the office and I can't say I like it straight out of the Herus, bass just isn't there and the mids are missing body. It seems to be underpowered. What are your experiences with this headphone?

 

I'll try some iems later. Anyway, I'm a happy new owner.

 

Edit: people here mostly talk about cables and daps and not the sound of this wonderful unit

 

The Herus is 19 mW into 300Ω, so it'll get you to 110 dB peaks with no problem, but not to 120 dB.

 

I believe Resonessence Engineers tested the Herus mainly with an HD700 (but don't quote me on it), which is easier to drive than an HD650. While both require about the same amount of power to reach 90 dB SPL, the HD650 has higher impedance across the board, and thus requires higher voltage swing.

 

http://www.innerfidelity.com/images/SennheiserHD650.pdf

http://www.innerfidelity.com/images/SennheiserHD700.pdf

 

Also, check out the spec sheet for the MAX97220, the IC headamp chip around which the analog stage of the Herus is based: http://datasheets.maximintegrated.com/en/ds/MAX97220A-MAX97220E.pdf

 

IEMs are not a problem. It sounds great when I tested it with the UERM.

 

BTW, my guess is that, due to competition (Geek and other stuff), the Herus will be upgraded some time in the future. Resonessence is basically showroom for the capability of ESS parts, so my assumption is that the MAX97200 will be swapped out with the new ESS headamp IC chip (http://www.esstech.com/Pr_2014/SABRE9601%20PR%20140218%20Final.pdf). The two designs are very similar in that they can both be powered by a single 3.3V supply rail, and both have charge pumps and ground referenced outputs, so modifying the board for a new part is most likely very easy. They can also always upgrade the ES9010-2M to the ES9016-2M or ES9018-2M, whichever fits their design target best. However, don't assume this to be true, as I haven't asked RLabs about their plans for the future.

post #175 of 263

thanks for the info.

I actually tried two of my custom iems with the Herus earlier and both had a lot of hiss, they can't be used with the Herus at all

post #176 of 263

Forgot to mention that... it does have hiss, though a lot of hiss? I dunno about that. The hiss levels are fairly low, just ever present.

 

If you're worried about hiss, the Concero HP is nearly dead quiet.

post #177 of 263
FWIW, i tried to play digital silence and I don't get any more hiss than its noisefloor.
Imo its fairly low (almost non existent if I don't pay attention) with the 335 considering they are rather sensitive iems.
My pet peeve is more of channel imbalance at low volumes, which fortunately is not a problem with the Herus.

The 'blackest' background i have come across is the PHA-2 dac/amp.
post #178 of 263
Just came in. Can't wait to find out if it's as good as everyone says it is smily_headphones1.gif
post #179 of 263

I'm impressed with the DAC, not the amp but I didn't get it for that.

Enjoy!

post #180 of 263

Quick question: 

 

What's the burn in time before I can really start deciding how much I like it?

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Head-Fi.org › Forums › Equipment Forums › Portable Source Gear › $350CAD HERUS: Asynchronous USB Audio 2.0, 24bit 352.8Ks/S, DXD and DSD64/128, 2.4VRMS Headphone DAC