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  1. #1

    Why won't my new DAC play ASIO output

    I replaced my crappy Xitel DAC with a CambridgeAudio Dac Magic+ and just set it up taday. In JRiver Music Center I can select & hear all the outputs through both IDT soundcard and USB Cambridge audio EXCEPT for ASIO. Because this is a PC running XP, I believe the best I can get is ASIO4ALL. I have updated to the newest release and still no sound through the CA DAC. ASIO4ALL plays fine through my soundcard. I even run a Toslink out from the DAC to my Hifi and still get no sound, so I believe it is PC based since the digital signal should just pass through to the optical out no?

    What can be done to bypass the KP mixer in XP?

  2. #2
    Being the anxious Arnold I am, I went about setup without reading complete instructionss. I now understand that if you have a compliant chipset from later than 2006 along with 1GB RAM and at least PII processor, you can download Cambridge Audio's USB 2.0 driver and get ASIO output into the Dac Magic Plus.


    My PC was built in January of 2006 so I have no clue if my chipset is UHCI compliant. Anyone know how to tell?

  3. #3
    Trouble maker... Audio_ELF's Avatar
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    I believe the Cambridge Audio DACMagic Plus has its own ASIO driver. You should uninstall the ASIO4All driver.

    You may also need to put the DAC into USB Class 2.0 Audio mode. This is done by holding the filter button while powering on the DAC. The volume allows you to switch between Class 1 (digital input 1 lit) and Class 2 (digital input 2 lit) modes. Page 22 in the manual.

    Also see -- http://www.cambridgeaudio.com/support_products.php?PID=872 -- though I think the instructions are more related to Windows 7.

    Eloise

  4. #4
    Thanks Eloise,

    I read about upgrading to USB Class 2.0 last night in the manual and will do the download and then switch the DM+ over 2.0 mode just as you say once I know my computer's chipset will support USB 2.0.

    I did go through the device manager this AM and saw that I have 4 basic USB ports in my computer and then also I noticed a USB 2.0 port which I believe is my front mounted USB port, so I think I am all set to go. Ya think?

    I emailed CA support this AM in help of trying to ID my chipset & if compliant. all else passes their test.

    If good to go, where do I go in PC to uninstall ASIO4ALL?

  5. #5
    Trouble maker... Audio_ELF's Avatar
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    Quote Originally Posted by Joe Topor View Post
    Thanks Eloise,

    I read about upgrading to USB Class 2.0 last night in the manual and will do the download and then switch the DM+ over 2.0 mode just as you say once I know my computer's chipset will support USB 2.0.

    I did go through the device manager this AM and saw that I have 4 basic USB ports in my computer and then also I noticed a USB 2.0 port which I believe is my front mounted USB port, so I think I am all set to go. Ya think?

    I emailed CA support this AM in help of trying to ID my chipset & if compliant. all else passes their test.

    If good to go, where do I go in PC to uninstall ASIO4ALL?
    Sorry (and this bit is confusing) but there are two things here...

    First off, yes your computer needs to support USB2.0 - and I am pretty confident that any computer less than 5 years old, maybe less that 8-10 years old, will have USB 2.0 ports. Most computers dynamically configure the ports so that if you plug a USB 2.0 device in it will configure the port to be USB 2.0.

    Second you need to set the DAC into Class 2.0 USB Audio mode.

    The ASIO4All driver should have an uninstall in the Add/Remove Programs control panel if I remember right.

    DacMagic Plus Digital to Analogue converter / Support / Cambridge Audio may help you though it actually references Windows 7.

    Eloise
    ...in my opinion / experience...
    While I agree "Everything may matter" working out what actually affects the sound is a trickier thing.
    And I agree "Trust your ears" but equally don't allow them to fool you - trust them with a bit of skepticism.
    keep your mind open... But mind your brain doesn't fall out.

  6. #6

    similar experience with DM+

    Quote Originally Posted by Audio_ELF View Post
    Sorry (and this bit is confusing) but there are two things here...

    First off, yes your computer needs to support USB2.0 - and I am pretty confident that any computer less than 5 years old, maybe less that 8-10 years old, will have USB 2.0 ports. Most computers dynamically configure the ports so that if you plug a USB 2.0 device in it will configure the port to be USB 2.0.

    Second you need to set the DAC into Class 2.0 USB Audio mode.

    The ASIO4All driver should have an uninstall in the Add/Remove Programs control panel if I remember right.

    DacMagic Plus Digital to Analogue converter / Support / Cambridge Audio may help you though it actually references Windows 7.

    Eloise
    Is it really necessary to uninstall ASIO4All driver ? Are you sure about that?

  7. #7
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    Quote Originally Posted by whozwho View Post
    Is it really necessary to uninstall ASIO4All driver ? Are you sure about that?
    Most of the time you don't have to, since most application will let you choose which ASIO driver you want to use. ASIO4ALL is identified as "ASIO4ALL" on the listing. You'll just select the native ASIO driver instead and everything should be fine.

    ASIO4ALL is not a true ASIO driver, but just a generic emulation on top of standard Windows audio APIs. True ASIO drivers are tightly coupled with the particular hardware and optimized to work optimally with the specific piece of hardware.
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