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Gieseler Audio

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  1. Gieseler Audio

    Gieseler Power Supply owners thread

    Hi Mike, That is the 5/7/9v 1.5A PSU so the voltage output is too low for the Chord 2Qute unfortunately. You need my 9/12/15v 1.5A (set to 12v) version or the 12v 3A one.
  2. Gieseler Audio

    In at the deep end - SB 15 inch for sensitive bass

    I think just cheap (supermarket grade) doubled sided tape would be fine for some initial tests. It should lift back off the tweeter baffel without damaging the finish. Yes you are right some of the Scanspeak tweeters had a built in foam pad to reduce diffraction effects. The trouble with the foam though is it breaks down after a few years. I used to love the Scanspeak D2010 but a few years down the track the foam pad would be falling apart. Actually I’ve just noticed Madison’s sell replacements now. https://www.madisoundspeakerstore.com/scanspeak-soft-dome-tweeters/scanspeak-d2010-replacement-foam-each/ Definately better looking than my home brew attempts!
  3. Gieseler Audio

    And for my next dac.

    If you want to give me a link to the diyaudio thread I’ll take a look at it.
  4. Gieseler Audio

    And for my next dac.

    Yes the boards from Ldovr.com look really good. The gap between the pins on the LT3045 is tiny & quite challenging when hand soldering. I’m just playing with the reflow oven technique at the moment & it certainly looks promising.
  5. Gieseler Audio

    In at the deep end - SB 15 inch for sensitive bass

    Brian you could try a foam or felt pad on the tweeter baffel with just a hole cutout slightly larger than the tweeter dome. Quite a few manufactures do that. https://www.ebay.com.au/itm/FELT-Engineering-B-Grade-300-mm-x-240-mm-4-8-mm-Thick-A4-FREE-POST/302359364220?_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D2%26asc%3D20161027085944%26meid%3Dd156d43f481848e7b7ddd9c4cf0c62a4%26pid%3D100623%26rk%3D2%26rkt%3D6%26sd%3D292160968961%26itm%3D302359364220&_trksid=p2047675.c100623.m-1
  6. Gieseler Audio

    GIESELER Groß DAC official release

    No - the Amanero USB board is powered internally in the DAC from a dedicated ultra low noise PSU.
  7. Gieseler Audio

    XLR or RCA for Chord DACS?

    A lot of DAC’s use unbalanced gain & filter stages & then right at the end add a extra op amp to give a balanced output option. With that setup there is no sonic gain in using the balanced out. However if the DAC takes the differential output from the DAC chip & uses balanced circuitry all the way to the output the story is a bit different. For the record my Gross DAC uses that topology so gives the true differential output of the DAC chip at the XLR output sockets. You would need to see a schematic of the Hugo to know if its output is actually using balanced circuitry all the way from the DAC chip or not. If Rob Watts is inferring the RCA output is better it sounds like the Hugo is using a unbalance filter/gain stage and then a opamp for XLR output at the end. In light of that I would take Rob Watts advice & use the RCA output.
  8. Gieseler Audio

    USB Only Grob vs Terminator

    Hi Pete, sorry I must losing it - it is the pressure of building endless DAC's & handling enquiries as well. haha OK I will certainly have a well run in three input Gross at the shop for you to have a listen to when you arrive. Cheers Clay
  9. Gieseler Audio

    USB Only Grob vs Terminator

    Hi Pete, hey I'm happy to send you a Gross DAC for a listen - you will just be up for freight to return it but that won't be much. You will need my three input version Gross which I unfortunately I don't have in stock at the moment but I should have one late next week. I just had a look at the Cambridge CXN (nice unit) & it actually has pretty good on board DAC's Dual Wolfson WM8740 24-bit. How it it sounding at the moment?
  10. Gieseler Audio

    And for my next dac.

    Hey thanks for the detailed reply & all the info. I use the LT3045’s as well & they are excellent - just very tricky to solder. What was the actual problem you were having with the Amanero?
  11. Gieseler Audio

    Raspberry Pi Klein combo interest

    The feedback on the USBridge is excellent. I have just ordered one with DietPi as OS. Now I have this radical idea about a bigger case for the Gross DAC & installing the USBridge inside. Then I could add two more low noise PSU’s - one for the Sparky & one for the USBridge board. Anyway one thing at a time so as soon as the USBridge arrives I will give it a thorough workout with the Gross DAC & post the results. Thanks Matt for alerting me about this.
  12. Gieseler Audio

    Raspberry Pi Klein combo interest

    Yes I agree the double process does not seem logical but it has the advantage of retaining DSD compatibility which a lot of people want. Using the Sparky/USB bridge the USB signal is reclocked & has very low noise so it should work really well with the huge amount of USB DAC’s that are out there. I have tried Kali with good results but no DSD unfortunately.
  13. Gieseler Audio

    Raspberry Pi Klein combo interest

    Hi Loyd, absolutely spot on! I agree the best way to do it would be to provide the Sparky & the USB bridge both with independent ultra low noise power supplies. Rather than try & build it all into the Gross chassis I think it would be better if I came up with a dual output (5v + 5v) external low noise PSU. That way anyone could use the Sparky/USB bridge combo with their own USB DAC. I think the Sparky & USB bridge can be powered seperately if you leave a jumper open on the USB bridge.
  14. Gieseler Audio


    Hi Marc, still old school round here!
  15. Gieseler Audio

    Raspberry Pi Klein combo interest

    Hi Matt, I checked that out & it looks really good so I might give one a whirl. Extreamly low noise levels which is great. For OS they are suggesting Volumio & DietPi. I’ve tried Volumino - very basic app control say compared to iPeng so I’d give that a miss. Have not tried DietPi - have you? I love the iPeng app for control so I think I will go with Picoreplayer. I think it has good DSD compatibility & a Tidal plug-in as well. At the end of the day as a source it will probably sound similar to a microRendu or SMS-200 at about one third the price!