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  • DACs

    What is a DAC?

    From the Stereophile Forums talking about jitter and USB DACs as well as USB two way communications for error correction. VERY good read.
    • Silverstone DAC
      Reviews Here:
    • Douglas hpdaq
      Reviews Here:
      Originally posted by ScottFX
      we'll call it the 'douglas' hpdac. since this is a diy board you can use whichever components you'd like. I'm currently running burr-brown opamps and blackgate caps.

      also... since it's a diy board you can wire it with female rca's to connect directly to your amp. This will give you a digital signal within inches (or less) of your x-over or amp. If you are going the x-over route you can also think about cracking that active x-over open and wiring the outputs of the dac directly to the inputs of the x-over.
    • Griffin iMic
      Reviews Here:
    • Hippo HiFi Bloat
    Jan Bennett
    FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

    Please post on the forums! Chances are, someone else has or will have the same questions as you!

  • #2
    Here's a Pro Audio DAC

    MiniDAC ($1000)

    http://www.apogeedigital.com/products/minidac.php
    System always under construction


    Comment


    • #3
      nice find, apogee is the standard in pro audio...but at a price.
      New System in progress:
      M10k
      Phaze TD1500 ~> Dynaudio MD130
      Phaze TD1500 ~> Seas g18rnx/p
      Zapco Ref 500.1 ~ 12" tc-9
      Behringer DCX2496 ~ Envision Electronics psu
      Transflective Xenarc

      My Car Pc Install
      My Boat Pc worklog

      Comment


      • #4
        Originally posted by scott_fx View Post
        nice find, apogee is the standard in pro audio...but at a price.
        Thanks, although your find is more practical in price.
        Yep I agree...Quality=Bling Bling
        System always under construction


        Comment


        • #5
          You might add headroom to your list of USB DACs. They're audiphile quality... and amazing.

          http://www.headphone.com/

          Comment


          • #6
            are you referring to these?

            http://www.headphone.com/products/headphone-amps/

            I'd imagine that the vast majority of those would work if they use 12v power from the wall wart

            I don't know why I didn't think about them, seeing as how I've got the headroom sitting right here at my desk with my Sennheiser 595s.
            Jan Bennett
            FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

            Please post on the forums! Chances are, someone else has or will have the same questions as you!

            Comment


            • #7
              Yes, those. Thats all headroom makes.

              Yea, I'm surprised no one posted it. Not only are their products astonishing quality, their service is superb as well.

              And your Sennhesiers appreciate it I'm sure.

              Comment


              • #8
                if you want to convert any dac to usb you can purchase one of these puppies:
                http://www.hagtech.com/hagusb.html no drivers to install or update... this should open up the world of dac's to us.
                New System in progress:
                M10k
                Phaze TD1500 ~> Dynaudio MD130
                Phaze TD1500 ~> Seas g18rnx/p
                Zapco Ref 500.1 ~ 12" tc-9
                Behringer DCX2496 ~ Envision Electronics psu
                Transflective Xenarc

                My Car Pc Install
                My Boat Pc worklog

                Comment


                • #9
                  and this one too...cheaper:
                  http://www.coemaudio.com.au/products.php?product_id=96
                  New System in progress:
                  M10k
                  Phaze TD1500 ~> Dynaudio MD130
                  Phaze TD1500 ~> Seas g18rnx/p
                  Zapco Ref 500.1 ~ 12" tc-9
                  Behringer DCX2496 ~ Envision Electronics psu
                  Transflective Xenarc

                  My Car Pc Install
                  My Boat Pc worklog

                  Comment


                  • #10
                    this isn't a usb dac, but it could be made into one very easily. I think maybe we should change the title of this thread to just 'dacs' in stead of 'usb dacs'

                    anyways; Brian, one of the owners of 'twisted pear audio' has been helping me out a ton with an audiophile grade stepped attenuator that i'm integrating into my dac. I've come across a lot of people that just give the quick answers and expect you to buy. but Brian has gone above and beyond the call of duty and is actually excited to see his application to make it into the 12vdc automotive world.

                    enough about my experience with him, now onto the dac;
                    http://www.twistedpearaudio.com/opus%5Copus.aspx
                    thread about the opus dac:
                    http://www.diyaudio.com/forums/showt...threadid=79456
                    toslink post:
                    http://www.diyaudio.com/forums/showt...53#post1059953

                    his site with other great audio gear:
                    http://www.twistedpearaudio.com/
                    New System in progress:
                    M10k
                    Phaze TD1500 ~> Dynaudio MD130
                    Phaze TD1500 ~> Seas g18rnx/p
                    Zapco Ref 500.1 ~ 12" tc-9
                    Behringer DCX2496 ~ Envision Electronics psu
                    Transflective Xenarc

                    My Car Pc Install
                    My Boat Pc worklog

                    Comment


                    • #11
                      usb tube dac

                      i guess im getting a little off topic ..please move if needed.
                      interesting logic behind the design.

                      tube DAC
                      http://www.scott-nixon.com/dac.htm

                      review links are in the above link... its a neat idea for the usb version. seems it only takes 12V AC which a PS could be built to handle.

                      69 Mustang
                      408 clevor AFD 2v heads - Viper T56
                      Audio:RUX-C701, PXA-H701, MRV-F545, (2) MRD-M1005, SIR-SC-H1, DMHD1000, Dayton Audio: (2) RS180-4, (2) RS28F-4, (2) RSS265HO-44 DVC

                      Comment


                      • #12
                        you might want to check one of the stickeys 'USB DACs'

                        moving this post and yours to that thread.
                        Jan Bennett
                        FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

                        Please post on the forums! Chances are, someone else has or will have the same questions as you!

                        Comment


                        • #13
                          Originally posted by crabbdaddy View Post
                          i guess im getting a little off topic ..please move if needed.
                          interesting logic behind the design.

                          tube DAC
                          http://www.scott-nixon.com/dac.htm

                          review links are in the above link... its a neat idea for the usb version. seems it only takes 12V AC which a PS could be built to handle.

                          the stepped attenuator that i got from twisted pear is a 5-12v ac unit also. here is what brian told me about that:
                          It was designed for AC input, but if you supply DC instead, the rectifier diodes will just pass it through. Good news is that it won;t matter which pin you use for +12 and GND. Both ways will work the same.
                          also, if you were to use that one in an automotive environment you'd probably want to solder the tube to the board. a major factor of tube failure are tubes that aren't seated properly.
                          New System in progress:
                          M10k
                          Phaze TD1500 ~> Dynaudio MD130
                          Phaze TD1500 ~> Seas g18rnx/p
                          Zapco Ref 500.1 ~ 12" tc-9
                          Behringer DCX2496 ~ Envision Electronics psu
                          Transflective Xenarc

                          My Car Pc Install
                          My Boat Pc worklog

                          Comment


                          • #14
                            Originally posted by scott_fx View Post
                            also, if you were to use that one in an automotive environment you'd probably want to solder the tube to the board. a major factor of tube failure are tubes that aren't seated properly.
                            And shock mount it somehow, anything you do how however, the tube will always have some distortion and from the second you turn it on it begins to deteriorate. Tubes sound great in a guitar amp, but they aren't exactly (at least mathematically) good at reproducing a sound accurately.


                            -jeffrey

                            Comment


                            • #15
                              that may be true; but there are a lot of people that still love that tube amp sound. :-)
                              New System in progress:
                              M10k
                              Phaze TD1500 ~> Dynaudio MD130
                              Phaze TD1500 ~> Seas g18rnx/p
                              Zapco Ref 500.1 ~ 12" tc-9
                              Behringer DCX2496 ~ Envision Electronics psu
                              Transflective Xenarc

                              My Car Pc Install
                              My Boat Pc worklog

                              Comment

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