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iFi Audio Pro iDSD discussion thread

Discussion in 'Dedicated Source Components' started by jwahl, Jan 26, 2014.
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  1. iFi audio
    Fast as per usual. Do you ever sleep? :sleeping:
     
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  2. kj510
    Hi iFi Audio,

    I have 2 questions about the IR remote function of iDSD Pro.

    1) What can we do with the remote? Only Volume Up/Down like iCan Pro?

    2) Do iCan Pro and iDSD Pro remote influence each other? I mean if I turn volume Up, then iDSD Pro also reacts volume up? I have iCan Pro and if I add iDSD Pro, I thought the remote could affect both volumes...

    Thank you,
     
    Last edited: Jan 17, 2018
  3. Trogdor
    The volume knob has nothing to do with the line-level output from a DAC to the amp. This is universally true.

    The volume knob for the iDSD Pro would effect the internal amp built into it, not the iCan Pro's amp stage. I'm not iFi Audio but it HAS to work this way.

    You can try this out for yourself: Take the micro iDSD and turn the volume knob up and down while it is connected to a separate amp. It has no effect. DAC's produce line-level output PERIOD. Amps will, well, amplify it.

    Does that make sense to you?
     
  4. hamachan
    Well, you should understand why kj510 is asking about it because iFi products (DAC/Amps) are not consistent about line out functionality about volume control. For example of my inventry of iFi products regarding RCA line out;

    pro iCAN: volume dependent
    micro iDAC2: fixed volume
    nano iDSD (original silver version):volume dependent

    I read some reviews that nano iDSD BL (black version) is changed to fixed volume for the line out.
     
  5. Katie88
    Actually the micro iDSD has a switch on the bottom to toggle between ‘direct’ and ‘preamp’. If the latter is selected, the volume will change.
     
    jhwalker likes this.
  6. Trogdor
    Right, but then you are using it as a preamp.
     
  7. Sev Bordas
    Hello @iFi audio !

    This post is for questions about the MQA implementation in the iDSD Pro. Please refer to this article for context:

    I own a iDSD Nano BL, and the constant upsampling seem to be engaged there (had to flash non-MQA firmware to restore functionality of the sample rate LED color indicator).

    My first question is, how does MQA affect the remastering and filter modes available on the iDSD Pro?

    My second question is, has iFi considered offering a non-MQA version of the iDSD Pro so that A) buyers don't have to worry about possibly compromised performance and B) buyers are not forced to pay MQA due to the licensing costs that iFI has to pass on to consumers?

    Looking forward to a release date announcement for the iDSD Pro!
     
  8. iFi audio
    Yes, the remote is the same for both devices and yes, it will control both of their volume controls, IF these are enabled.

    Of course there's no point in having two volume controls active. Simply set Pro iDSD to fixed line-out (HiFi). Then the signal bypasees completely its volume control module and Pro iCAN's volume control can be used instead.

    We don't comment other peoples' work, that's one of our principles.

    In case of nano iDSD BL, the MQA beta firmware currently upsamples non-MQA streams to 8x PCM via a filter of our specification.

    In case of Pro iDSD, anything non-MQA will not pass through MQA upsampling and that's it.

    No, we don't consider it. If one doesn't like MQA, s/he shouldn't use it.

    It's been known for a good while now:

    https://www.head-fi.org/threads/ifi-audio-pro-idsd-the-official-thread.869144/
     
    Last edited: Jan 19, 2018
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  9. Katie88
    That’s good. Would the volume pot be spinning around all the same, albeit redundantly?
     
  10. iFi audio
    It rotates from point A to B, just like the one in Pro iCAN, not endlessly. Input selector on the former is endless, though.
     
    iFi audio Stay updated on iFi audio at their sponsor page on Head-Fi.
     
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  11. Sev Bordas
    Thank you for the prompt response. There has been much credible discussion lately about the quality of MQA's filters. I just wanted to make sure that those possibly inferior filters do not compromise your new flagship in any way.
     
  12. despinos
    Hello,
    Will there be an app to browse music associated to the streaming bridge capability? I’m thinking about something similar to the lightning app of Auralic Aries.
    How does the rj4t input compares to AOIP tech (e.g Dante)?
    Thanks
    DAVID
     
  13. iFi audio
    Please search Muzo app, accessible on both Apple and Android platforms.
     
    iFi audio Stay updated on iFi audio at their sponsor page on Head-Fi.
     
    https://www.facebook.com/iFiAudio/ https://twitter.com/ifiaudio https://www.instagram.com/ifiaudio/ https://ifi-audio.com/ info@ifi-audio.com
  14. iFi audio
    GE5670 reserved for flagship AMR and iFi
    Press release

    We have some mixed news for lovers of the GE5670.

    It is our understanding that we have tracked down and acquired the last known large-scale stockpile of GE5670 tubes.

    [​IMG]

    The good news is that we have amassed a respectable inventory for AMR to use in their machines and for iFi to use in their flagship ‘Pro’ series for the foreseeable future (read: years).

    The bad news is that once units in the supply chain of iTUBE2s and NOS6922s are all gone, there will be no more. The recent rise in the price of the GE5670 makes it even more the right decision to not continue with using the GE5670 in this product. Given that we need to reserve 2 pcs of the GE5670 for each Pro iDSD and Pro iCAN and for the AMR 777 machines too, priority must be given to these flagship products.

    History of the venerable GE5670

    For those wishing to delve into the history of the GE5670 and why we chose it over its ‘lesser’ cousin the 6922:

    https://ifi-audio.com/portfolio-view/accessory-nos-6922-2/
     
    iFi audio Stay updated on iFi audio at their sponsor page on Head-Fi.
     
    https://www.facebook.com/iFiAudio/ https://twitter.com/ifiaudio https://www.instagram.com/ifiaudio/ https://ifi-audio.com/ info@ifi-audio.com
  15. technobear
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