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回覆 (1227): CAS
嘩嘩嘩⋯⋯! 師父買晒機票,六月中返泥...
Cadiver
17-01-16
15:35:18
回覆 (1226): CAS
 
 
Cadiver's DAC under test. Results are nothing short of astounding and the sound, just beautiful!  
 
 
 
P2060592  
 
P2060593  
 
 
limage
17-01-16
11:20:22
回覆 (1225): CAS
 
 
The final production unit is now under the final  
test - critical listening!  
 
 
 
P2060359  
 
 
 
Dual transformers to separate the analogue from the digital processing  
 
 
 
P2060355  
 
 
 
P2060353  
 
 
 
Provision for multiple inputs, both balanced and unbalanced  
 
 
 
P2060356  
 
 
 
Last and certainly not least, the costly analogue refinement which leaves you in analogue bliss…….  
 
 
 
P2060354  
 
 
 
The caveat: the final product is better than all 3 prototypes that I have relentlessly assessed. In all respects, I mean.  
 
 
limage
16-10-29
21:33:25
回覆 (1224): CAS
 
 
Friends are slowly but surely being convinced to use CAS one after another!  
 
 
 
P2050942  
 
 
limage
16-05-16
10:20:41
回覆 (1223): CAS
 
 
JPlay supports JRiver, but JRiver no longer supports JPlay now!  
 
limage
16-02-26
09:57:37
回覆 (1222): CAS
Ivan,  
 
Is JPlay still available for download and supporting JRiver? Yup, LS3/5A and Leak live in harmony. They are happy couple.
rsbn589
16-02-25
18:09:47
回覆 (1221): CAS
 
 
BTW, how are your 3/5a and Leaks going, Mr. Lee?  
 
limage
16-02-23
17:36:15
回覆 (1220): CAS
 
 
For the computer, I'd recommend i7 along with 16G ram to make room for any future developments. I suppose you don't use CAS for a short period of time and honestly I trust CAS is here to stay for a long time to come.  
 
2 years ago, I wouldn't hesitate to ask you to go for JRiver (the media player) plus JPlay (the sound enhancer), but now the 2 companies are in brawls with each other, so much so that they become mutually exclusive. Hence, I know not what to recommend now!  
 
Using JRiver alone you may end up with quite a bit of digital fatigue unless your repertoire is confined largely to pop. Nevertheless, this player is remarkable in the filing and classification of large quantity of music files. Mind you, the collection easily goes beyond 2T and if the filing is poor, you would never be able to find what you really want to listen.  
 
Any good suggestions from other buddies here?  
 
limage
16-02-23
15:50:53
回覆 (1219): CAS
Hi, I plan to set up CAS system (at last!). What is the recommended spec/model for the computer source? From the old posts, it mentioned i5 processor, 8 GB RAM. I wonder if it still stands or there are other viable options. Thanks.
rsbn589
16-02-17
15:04:19
回覆 (1219): free download
 
@Albert  
 
Congrat for the review, quite nice, we are still waiting for your DAC in California :-)  
 
We had a chance to mess with UpTone's linear power supply today, using it to replace Auralic Aeries standard outboard power supply (which was already good), the UpTone JS2 was quite impressive. An R-core + choke filter fundamental. The result was lower noise floor, lower digital noise, separation improved, music flow better and more articulate. Not cheap but I guess they don't ask for $1000USD without giving something ...  
 
http://uptoneaudio.com/products/js-2-linear-power-supply
Cadiver
15-07-13
13:27:35
回覆 (1218): free download
some free downloads from dCS  
 
http://www.dcsltd.co.uk/music/music-downloads/
mdlover
15-07-10
22:11:11
回覆 (1217): CAS
no too bad i think :-P  
 
http://www.feversound1.com/150610-exd/
mdlover
15-07-10
22:10:21
回覆 (1229): Meridian QAA format ....
 
 
他們是做生意,不是發燒友,總之有聲,算不錯了。  
 
 
 
 
limage
15-04-17
15:09:01
回覆 (1228): Meridian QAA format ....
今晚去左Merridian的新産品發佈會推廣它們新究發的MQA format,但不幸在其十多萬美金的體係從播various music,一點感情,音樂味,都無,同志蠅需腦力呀 :-)  
Cadiver
15-04-17
13:47:39
回覆 (1227): cost no concern CAS
30 days free trial  
 
worth trying out  
 
http://tidal.com/hk?gclid=CjwKEAjwru6oBRDDp4jRj4bL_xASJADJ2obyWEudLccHa6_goDp2EAoBQ127HOtzxA6irXo9jrLQghoCKgXw_wcB  
 
ackcheng
15-04-01
16:59:41
回覆 (1226): cost no concern CAS
Kuro
15-03-01
14:23:18
回覆 (1225): cost no concern CAS
Just visited Arthur this weekend. Impressive setup. Though I'd recommend no toe-in for the speakers to widen the sound stage a bit.
Kuro
15-03-01
14:14:53
回覆 (1224): cost no concern CAS
Hi Vash,  
 
You are welcome anytime too
ackcheng
15-02-23
19:55:29
回覆 (1223): cost no concern CAS
Hi Kuro,  
 
You are welcome to come over anytime!
ackcheng
15-02-23
19:54:42
回覆 (1222): cost no concern CAS
Dear Arthur !  
 
強!  
 
Like ! Like ! Like !
Vash
15-02-20
13:11:22
回覆 (1221): cost no concern CAS
Impressive works!!  
 
Guys lomg time no see
Welborne
15-02-11
02:10:05
回覆 (1220): cost no concern CAS
Limage,MD Lover, BigChan  
 
多謝你們的指點, 塞錢入我袋!!!
ackcheng
15-02-10
09:23:32
回覆 (1219): cost no concern CAS
 
 
My second visit to Arthur within a couple of weeks. This time 2 more friends joined me to find out what the fuss was about regarding Arthur’s CAS system, mdlover, the local DAC pioneer and Bigchan, a veteran audiophile for over 40 years.  
 
 
20150207_151403  
 
 
The focus of attention falls upon one piece of equipment, the expensive Bacch processor. Its strongest feat is the elimination of crosstalk which would ensure perfect imaging between the left and right channel.  
 
Here it goes:-  
 
“The BACCH®-SP (SP stands for Stereo Purifier) is a very sophisticated digital audio processor. It is easily the most advanced audio processor in existence. Inside the BACCH®-SP is an i7 powered computer that will allow owners to design their own BACCH® filters on the fly. The BACCH®-SP allows the owners to create a new filter with a click of a button with the dedicated iPad controller.  
 
In addition to BACCH® processing, the BACCH®-SP has an advanced head-tracking function. By using custom software and a motion detection sensor, the BACCH®-SP can create a new BACCH® filter that allows perfect crosstalk-free stereo playback when the listener moves around. The advanced head-tracking features will accurately track the listener to sub-millimeter accuracy. The result is an even more convincing virtual reality with perfectly stable stereo images with uncanny realism.”  
 
 
20150207_145801  
 
 
And the rest of the electronics include digital crossover which split the signal for the 4 way speaker. It also serves as the pre-amp. An accurate clock to synchronize the digital bits and pieces and of course the Mac computer for the program source.  
 
 
20150207_145811  
 
 
20150207_145819  
 
 
20150207_153640  
 
 
 
There is tangible improvement over the sound I heard last time. It must have taken Arthur a bit of work to further refine what has already been very good. Things are now more transparent thereby drawing listeners closer to the music. Nice work Arthur!  
 
 
limage
15-02-08
21:37:34
回覆 (1218): Merry Christmas
Linnrecords offers free downloads in 24/192. They call it 24 bits of Christmas  
 
http://www.linn.co.uk/christmas?__utma=268390675.640146443.1419462842.1419635939.1419636142.4&__utmb=268390675.1.10.1419636142&__utmc=268390675&__utmx=-&__utmz=268390675.1419636142.4.2.utmcsr=google|utmccn=(organic)|utmcmd=organic|utmctr=(not%20provided)&__utmv=-&__utmk=209897878
der_yeti
14-12-27
07:26:29
回覆 (1217): Merry Christmas
Wish you all Merry Christmas!!  
 
And Thanks for the hospitality!
der_yeti
14-12-27
04:01:42
回覆 (1216): CAS
 
 
20141224_133314  
 
 
limage
14-12-24
13:59:45
回覆 (1215): CAS
Kh33,  
 
Yes, it is within the digital chain
ackcheng
14-12-23
23:46:15
回覆 (1214): CAS
 
Is Arthur using the BAcch technology as digital controller?
kh33
14-12-23
18:19:33
回覆 (1213): CAS
Limage:  
 
Thanks so much for your kind comments! You are too kind, there are still much to learn and to simplify the current setup
ackcheng
14-12-22
23:41:03
回覆 (1212): CAS
 
 
Typo:  
 
Arthur has been one of the top pioneers bringing CAS into HiFi.  
 
limage
14-12-22
18:52:44
回覆 (1211): CAS
 
 
Morning Kuro. Arthur's new speaker is a gem and you won't be disappointed!  
 
limage
14-12-22
11:31:57
回覆 (1210): CAS
Ah, didn't know you are up in my alley this past Saturday. I could have come with you to visit Arthur, I haven't been to his place for a long time. Nice to hear that his new setup sounds well.
Kuro
14-12-22
11:12:30
回覆 (1209): CAS
 
 
A visit to Dr. Cheng on Saturday afternoon. I heard stories about his newly constructed no-compromise speaker housed in a towering cabinet popular with modern speaker design. It was a huge success over the old speaker I heard 2 years ago.  
 
Arthur has been one of the top pioneers bring CAS into HiFi. After years of refinement, it has developed into a very elaborate CAS system whose details I won’t be able to accurately report because I am still in the learning stage. All I can say is that the sound is very smooth, tonal balance very well constructed and there is none of the digital glare I’ve found in Apple based set-ups. Bass response is impressive, extending well into the 30 Hz hell mark.  
 
Here it is, the highly polished speaker  
 
 
 
20141220_153137  
 
 
 
4 Class D amps to actively drive 4 way units of the speaker  
4x10” bass at the side, 4x 8” mid bass, 2x mid range and 1x super tweeter per speaker.  
 
 
 
20141220_153257  
 
 
 
ipad for the selection of album  
 
 
 
20141220_161644  
 
 
 
limage
14-12-22
10:12:04
回覆 (1208): JRiver
 
 
Cadiver loses no time to take a look at the tube DAC. He loves the sound of the new DAC so much but he hates to wait another 2 years before it is available.  
 
 
 
Cadiver & Jacky Leung  
 
limage
14-12-18
10:10:13
回覆 (1207): JRiver
色左燈,好聲就得,我唔太介意樣貌....  
所以@mdlover 請快的整部比加卅PR1 會員聽下,等左兩年㗎啦....!
Cadiver
14-12-17
00:23:29
回覆 (1206): JRiver
Pop is all about the atmosphere, the beat and the rhythm Does a listener really go deep in identify the brand or make of the guitar or whether is a Yamaha or Roland keyboard?  
 
I don't think so lor! In classical and Jazz, the music is made up of the emerging or fading sound of the musical instruments. A high level of details needed to be heard for the listener to recognize the passage.  
 
bobui
14-12-16
15:41:07
回覆 (1205): JRiver
 
 
digital guys don't even want to admit valve still exist  
_______________________________________  
 
 
Digital guys don't care about musicality as long as the distortion curves look good.  
 
Strange as it may suggest, you can tolerate digital edge on most pop music but you'd be hard pressed to have half of that edge on a string orchestra. And if digital guys listen to pop most of the time, they may not be aware of the digital edge at all. Some may even mistaken this digital glare for "great presence"!  
 
limage
14-12-16
15:21:30
回覆 (1204): JRiver
Why then is the indirect method which turns out better?  
------------------------------------------------------------  
 
I soon will be joining the CAS family and I am sure I would be more confuse than u lor!  
 
Pick any man written literatures on digital recording or digital music reproduction which is what I have mainly been reading recently to hopefully get a stronger grip on what 0 and 1 is all about in music reproduction. Not to my surprise that almost all of the available content is about technological advancement in handling data and not losing an ounce of it. And deep down into the writing, the heart of the matter just keep went on about the excitement of convenience in storage and the speed or resolutions when retrieving the data, right? Hot really much of any mention about the vibration and air that produce the sound we all love to hear lor, MUSIC lor!  
 
If an add on yester-year technology valve buffer stage can bring the listening pleasure a big level up in a DAC, not hard to see how much care is missing in some of the current high end digital inventions lor. Some digital guys don't even want to admit valve still exist lor!  
 
bobui
14-12-16
11:17:03
回覆 (1203): JRiver
 
 
I end up having two versions of Aida, one ripped from CD and the other downloaded from the Decca site. It is the same recording and yet there are differences so obvious that it's hard to ignore.  
 
The one ripped from CD wins. Download is a direct data transfer and CD is an indirect method which has to go through quite a few processing stages. Why then is the indirect method which turns out better?  
 
Since both files come from the same master and digital files are supposed to be the same no matter how many copies are made. You don’t expect your bank account to gain a zero in front of the decimal when you request additional copies, do you?  
 
 
 
CD version  
 
 
Aida cover art  
 
 
Download:  
 
 
Verdi Aida  
 
limage
14-12-16
10:37:24
回覆 (1202): JRiver
>beautiful looking and good sounding is also possible and no exclusion - trust me! ;-) <  
_____________________________________________________  
 
True, but that will cost you, trust me ! ;-)  
 
 
thekong
14-12-11
16:06:53