QB9纯听感集中贴

frui

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要讨论PCM是否二进制的请移步


1. Lavry 11 比QB9听感好：
if anyone gets the chance to put the Lavry 11 up against the Ayre QB-9 I'd be interested in the outcome.  At RMAF we had the Ayre and Lavry in Judes rig and the Lavy and Ayre we neck and neck. Many preferred the Lavry. needless to say I was pretty shocked but that is what we heard. Lavry was running optical out of the Macbook and the Ayre was running USB out of the same Macbook. Both were being powered by the Raptor which was surprisingly good with the HD800. I am an Ayre fan boy and was wanting the QB-9 to be superior but I had to admit the little Lavry held its own and more.
http://www.head-case.org/forums/home-source-components/5310-ayre-usb-dac-18.html

frui

2. Plinius CD-101比QB9听感好：
....I'm disappointed. Not that it sounds bad of course, but it's just not as good as my Plinius CD-101. I kinda feel like I'm continually trumping the horn of my Plinius CDP but it really is awesome-sounding and the QB-9 isn't at its level. The QB-9 has less treble quantity, feels just a tad slower, and has less virtual air (as in, the soundstage sounds smaller). It also seems less dynamic - as in, quiet vs loud doesn't exactly have as wide a range as on the Plinius and notes that have sudden intensity on the Plinius sound kinda dull on the Ayre.

I was hoping for awesomeness but got merely only relatively above-average sound.

——这人的口气和评价和小白差不多：QB9说不上不好，还可以，比较一般。

liuyindong2007

[ 本帖最后由 liuyindong2007 于 2009-11-19 00:11 编辑 ]

frui

3. 声音比较一般，还是接近小白的听感：
Ryan is borrowing Asr's Ayre, and since he was over to pick up an amp last night, we gave the Ayre a quick listen. Basic impression was that it was OK but not great. It was a little flat sounding, and there was an overall fuzzy and unfocused nature to the sound. Bass was there but mushy. At it's price point, I'd guess that it is an OK deal.

To be fair, we didn't do any special computer optimization. Just plugged it in and played FLAC files through Winamp. Though, another USB DAC that just uses a simple USB to SPDIF converter sounded better. That isn't to say that the digital signal was better, but rather that IMO the analog is more important to the overall sound, particularly when there are plenty of easy ways to clean up jitter. So overall, while it didn't sound bad, if I'd just built a DAC that sounded like that, I'd probably keep working on it.
http://www.head-case.org/forums/ ... yre-usb-dac-19.html

frui

4. 这人比较有趣，他听了800后，把KK卖掉了：

I'm using my new pair of Senn HD-800 with an Ayre QB-9 USB DAC driving a new Headroom Balanced Ultra Desktop amp, with Harmonic Technology balanced interconnects. Connection to the amp is single-ended for the moment (no balanced aftermarket cables for the HD-800 yet).

I'm not what you'd call a headphone freak, but the HD-800 are a clear cut above my previous best cans (HD-600, and AKG K1000). Very neutral, detailed, and dynamic, and even less of the "orchestra in the head" effect than with the K1000 (I'm not using the crossfeed processor with these, although I did with the HD-600). More comfortable to me than the others, too. Can't imagine wanting another 'phone at this point - I even sold my K1000.
http://www.avguide.com/forums/as ... -hd-800-controversy

htyhty

Lavry 11这么牛逼啊。。MACBOOK光纤输出质量很高么？

flymemory

原帖由 frui 于 2009-11-19 00:00 发表
要讨论PCM是否二进制的请移步


1. Lavry 11 比QB9听感好：
if anyone gets the chance to put the Lavry 11 up against the Ayre QB-9 I'd be interested in the outcome.  At RMAF we had the Ayre and Lavry  ...

光纤口和USB比啊……

frui

5. 与DAC1的比较，DAC1全是数码味，而QB9是自然流动的音乐：
Comparing the sound of the DAC1 HDR to the sound of the Ayre QB-9 is a pretty simple task. The DAC1 HDR has the CEntrance adaptive USB "house sound" and the DAC1 HDR is extremely tight, a little edgy, lacks the decay of the best DACs, and can be a tad fatiguing during long listening sessions if the listener isn't used to its presentation. The Ayre QB-9 sounds vastly different just as I described earlier in the review. The music flows unhindered right to the listeners ears with a sense of rightness that the adaptive USB DACs just don't have yet. Not only is the QB-9's asynchronous USB implementation and advantage, but the analog output stage in the QB-9 is very strong.
http://www.computeraudiophile.co ... nous-USB-DAC-Review

RickyLung

QB9只有USB接囗，有评论说是自信，我该为是自大，我听过几天，其实QB9算是不错，只是给USB限制了

frui

6. 与ARC DAC-7的比较
from my own listening the Ayre QB-9, for me, is significantly better.  Part of the dramatic difference is related to the limit usb abilities of the ARC DAC-7...but none the less....particularly given the lower price...provides a much more musical presentation...more open, vastly wider/ more open sound staging/image....guess I will buy it.
http://www.avguide.com/forums/ayre-qb-9arc-dac-7-comparison

frui

7. 比BRYSTON BDA-1好：
Comparing the QB-9 to the Bryston BDA-1 via memory only I sense that the BDA-1 lacked a little something in its analog output stage. I remember saying the sound of the BDA-1 wasn't all that different between its numerous digital inputs. I tend to think this has to do a little with homogenization of the sounds all traversing through the same analog output stage in addition to other internal circuitry. The Bryston BDA-1 is a really good DAC, but I favor the Ayre QB-9's sound in my system.

frui

8. 与WEISS MINERVA的比较！在AMARRA播放器下比MINERVA好，但是不用AMARRA则是WEISS好（这观点也接近小白）：
we compared to the weiss. I was completely shocked at the difference. In my system and to my ears the difference is huge. Huge Ok but which one is better? I vote clearly for the qb9, my friend said the same.
But what are the differences. Compared to the QB9 the weiss seemed rather veiled (is that the correct english term?) If the QB9 has 100% resolution, than the Minerva has about 85% (For the first time I could understand what e.g. Maria Callas was actually singing!!!) The only thing I really liked better with the weiss, was the integration of bass in the overall picture. The best word to discribe it, is balanced or round. With the QB9 I sometimes missed some extension in the hights (maybe the MP Filter?) and the already described mushier bass (good word Chris). I listened to some records where I could not follow the basslines. I have not tried to fiddle with the placement of my speakers and have not tried using eq (It cost me weeks to find the "perfect" placement for my speakers which gave me the most musical pleasure with my analogue rig). in another post I was informed that break in might take up to 300 hours. I looked in the manual and it says 100-500 hours. So maybe bass will become more defined. But nevertheless I orderd a unit last night.
Those of you having not listened to the qb9, do so. Especially when your in the market for a DAC. Please do so. Especially in the US. I will pay 2800 Euro. The Weiss DAC 2 costs 2300 Euro in Germany. The Minerva about 3600 Euro. So for 2500 $ this seems to me like a bargain (thats 1700 Euro).
A week ago if someone would have asked me about the best digital gear, I would have answered The Weiss Minerva, today I say QB9.

By the way: without Amarra I preferred the Weiss. So maybe you should listen to different players before making a decision. Another interesting detail: Check the correct AC polarity of the QB9! The difference in my system was huge!!!! With wrong ac polarity the weiss definetly sounded better! In Germany we just reverse the plug. If you cant hear the difference you can check with a voltmeter. Can you do that with us plugs? (Maybe Mr. Hansen can chime in on this matter!)

frui

9. 这人认为WEISS DAC2比QB9略好，两者都比BDA-1好：
I loved them both. They easily exceeded the Bryston BDA-1 that I had near the same time (more analog, more organic and musical, yet with more detail). I also listened to Gordon's Cosecant and loved it too, but the overall sound in my room was slightly bloomy (not a fault of the Cosecant but likely of the overall synergy of the room/equipment). I quickly whittled down my list to the QB-9 and DAC2. In my room, with my setup (Modwright LS 36.5 tube pre and/or Wyred STP-SE solid state pre; Spectron Musician III Mark 2 monoblocks, SP Tech Revelation speakers) the midrange colors and significant bass control of the DAC2 won out. That's not to say the QB-9 was a loser.....far from it. This is through lots of a/b'ing. Kinda like choosing flavors of a very good ice cream.....the ice cream must have certain basics covered (creamy, fatty, good chunks of flavor, no after taste, etc) but beyond that the choice of flavor is a pure personal preference. [Note: Oh, and my "detail"or resolution comapro would be DAC2 95%, QB-9 90% (the $5k Berkeley Alpha is the 100% benchmark in that category for me, but lost in the midrange). Most other less than $3k DACs aren't anywhere in the 80's in my opinion.]

frui

10. 认为BRYSTON BDA-1比QB9高频好，声音更开放，QB9有点暗：
I spent a weekend with the QB-9 and the Bryston and compared them both on their USB inputs and found the Bryston to sound more open, particularly on the top end. Looking back at my post from that time reminded me that to my ears the QB-9 had some magic on vocals which I described as a tube-like dimensionality. But overall I would describe the QB-9 as just a little dark tonally in a way the Bryston wasn't. I already had a lynx card installed in the G5. So comparing the QB9/USB (USB>G5) to the Bryston/AES/EBU through the Lynx (i.e. NOT USB) sealed the deal for me in favor of the Bryston. Your mileage may vary. My speakers are Thiels which will resolve just about anything you throw at them so I was surprised at the soft top end I heard on the QB-9 which sounded recessed in that range.

frui

11. 与AYRE C-5EX的比较！
But the QB-9 sounds about equal to the C-5xe
http://www.audioasylum.com/cgi/t.mpl?f=pcaudio&m=63427
...................可惜这话是Charles Hansen说的