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[CAS音響] set-up of CAS

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 樓主| 發表於 2011-4-20 20:56 | 顯示全部樓層
我現在是用IPAD經camera kit用USB去DAC, 正在想買部mini mac做CAS, 不知各位師兄認為如何?

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發表於 2011-4-21 01:35 | 顯示全部樓層
我現在是用IPAD經camera kit用USB去DAC, 正在想買部mini mac做CAS, 不知各位師兄認為如何? ...
edhuen 發表於 2011-4-20 20:56



    Why don't you just build a dedicated PC for this?  Unless you have a strong desire to buy over-priced hardware from Apple...

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發表於 2011-4-21 10:45 | 顯示全部樓層
會否考慮加部nas,由nas去ipad再去dac。
不過用mac mini都有好處,部ipad可以作為remote。

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 樓主| 發表於 2011-4-21 11:33 | 顯示全部樓層
回復 12# qwe456


    I just think Mac Mini is easier to get the good result based on the design and fitting of hardware. Of course, we may get a even better outcome for a PC and pay less. But it may consume time and toning, and it's not guaranteed.

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發表於 2011-4-21 11:41 | 顯示全部樓層
用 notebook 或 pc, 大家唔擔心雜訊問題?
NAS / USB STORAGE > NETWORK PLAYER > DAC >  AMP 會否較好?

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發表於 2011-4-21 11:43 | 顯示全部樓層
回復  qwe456


    I just think Mac Mini is easier to get the good result based on the design and f ...
edhuen 發表於 2011-4-21 11:33



    Took me 10 min to put the box together after I bought all the hardware.  And another hour or so get set up all the software.

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 樓主| 發表於 2011-4-21 11:44 | 顯示全部樓層
回復 16# qwe456


    c-hing, how about time to choose hardware and case?

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發表於 2011-4-21 11:48 | 顯示全部樓層
回復  qwe456


    c-hing, how about time to choose hardware and case?
edhuen 發表於 2011-4-21 11:44



    Ok, since you want to be cute about this...  Took me 15 min to drive to SSP, 5 min to park the car, 5 min to walk from the garage to the geek mall, 20 min to pick all the hardware, 5 min to walk back to the garage, and another 15 min to drive home.  So another 65 min there!  

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 樓主| 發表於 2011-4-21 11:59 | 顯示全部樓層
回復 18# qwe456


    Haha, c-hing, Since I am not familiar on PC fabrication, I may choose to buy a Mac Mini. I really have no idea what's the config I should use to have a good result on PC. Do you have suggestions on this? I am appreciated if you have some suggestions

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發表於 2011-4-21 14:51 | 顯示全部樓層
回復  qwe456


    Haha, c-hing, Since I am not familiar on PC fabrication, I may choose to buy a M ...
edhuen 發表於 2011-4-21 11:59




Ok, here are my two cents:
1. Don't buy unnecessary components, boards of all sorts, etc.
2. Don't get processors/ components that generate too much heat -- otherwise you might need big heat sinks, etc.
3. Don't need the machine to be terribly powerful, it's not like you need a lot of processing power.
4. Don't want to have internal power supply if possible.

Solutions:
1. Get an Atom motherboard.  Pick one that uses an external power supply.  There aren't too many choices, but I managed to find one with onboard wireless as well.  You can go without a fan at all with that, but I did install a super quiet 7cm fan to keep the temperature at around 40C (totally optional).  Also, get an aluminum case to help with heat dissipation.
2. Get a small SSD and store your music files elsewhere (on another machine in another room in my case).  I got a cheap 32GB SSD.  Again, I don't need it to be terribly fast, so I just picked a cheap one, as long as it works.  Since I already have >4TB of storage across the machines in my house, I don't need need a big hard drive that generates heat + noise in the box attached to my stereo.  Oh, and do yourself a favor, don't install a CD/DVD/Blu-ray drive!
3. Install as much RAM as possible to remove any bottleneck from the lack of RAM (4GB for 32-bit).  I installed two bars of 2GB DDR2.
4. Make sure you have a fast network within your home (your home network, not your up-link to your ISP) since you will be streaming big audio files (FLAC).  I have a gigabit network with Cat6 cables running into every room, including the locations where the computers are.  But for various reasons, I chose to use wireless for this particular box.
4. Don't attach a monitor to the box.  You don't need more circuits around your stereo, but more importantly, you will be sitting too far away from the monitor to read the text on-screen!  What I ended up doing was accessing the machine using remote desktop over wireless from a laptop when I need to start foobar2000 to play some music.  There's also a HTTP control plug-in for foobar2000, but I haven't tried it.
5. Use Windows 7 (32-bit) or your favorite Linux distro if you prefer, don't go for Vista/XP.  I went with Windows on this box.  Since there isn't an optical disc drive in the box, install your OS using a USB thumb drive.

There were compromises I made along the way, e.g. putting the box on the network instead of having a big SSD, using wireless instead of plugging in a Cat 6 cable, etc.  But for practical reasons, I consider most of these reasonable trade-offs.  All-in hardware cost was ~HK$2000, if I remember correctly.  And this was last month.

And yes, I spent more time typing this up than putting the box together!  Hope this helps and have fun!
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