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On audiometer headphones there is a required headband pressure of 10N For long time listening it is to much. The pillow around the ear gets compressed. Even small deviation of placement on top of the GRAS will give difference of 1 to 2 dB on the same headphone. So even if the headphones...

Drivers; users of high end equipment should only concern about Linux. Actually everyone should concern only about Linux because even Volumio is Linux which is the maybe cheapest solution out there... I have build dacs based on ak4490 which has been praised for its performance. There is most...

I have a few measurement that is not made by me but I think they are okay and i have not manipulated them. First is non isolated Second is isolated USB

I can confirm the 3rd harmonic on the ES90x8pro dacs.

What are you trying to achieve?

Its a classic set of drivers!

It is most likely the impedance match on the USB lines that is not taken care of on the Schitt. I imagine that is the only reason for the difference on cables short versus long.

They most likely use something like the attached board with with a sigmadsp. In this case we have 17 equalizer bands at 24bit 192ksamples. That is the way to iron out the frequency response

"What makes your new PD2 DAC board better?" That is not the discussion here. "BTW the LKS MH-DA004 is the only DAC I've ever heard that can beat my Purestream" So you have one? Share pictures and information. Not printout from brochure and datasheets or website.

Mike. 8 comments in 1,5 hour, and what you did was hijacking a thread. 5 of them did not bring any useful info other than you anger. 1 stated something about from stereo to mono difference of 3 dB and 15 dB worse performance on the analog stage... but Which dac, which analog stage, total...

The thread says "High Performance mid-priced reference DACs".. And if you read there is a limit on the cost, so i am constructive giving suggestion to what to look after. Mike, what does it bring you and others to write the following??? "Around here parts quality doesn't matter. Higher...

Well.. Choose a DAC with as few inputs and outputs as, use a DAC that has ES9018K2M or AK4490. Don't choose a model with a shiny display. Make sure that they use ADA4898 or simelar in the output. Why choose a cheap DAC when you can get a DAC with ES9028/9038PRO or AK4497? Very simple ...

1) PCB design 2) use of separate low noise power supply for each stage 3) ultra low noise oscillators 4) discrete state of art analog stages. 5) analog volume control. I think that's it

Yes that is right. The DAC has I2S input, as well as USB, 2 optical, 2 x spdif galvanic isolated inputs as well. 12 low noise regulators Ultra low noise regulators. DAC chip is ES9038PRO in stereo configuration.

Hi, dont trust the website. Some of the data is taken raw from the M2-PRO datasheet. The frontend is there fore not taken into account. Line level signal bandwidth is reduced to~700KHz before the class D module. There are several low noise voltage regulators onboard for each stage. I would...

Adg5543 was chosen for its bandwidth of 6.6MHz (low bandwidth means poor attenuation in middle range and up) and low resistance r2r network 5k

Volume control: ad5543brmz + ada4627-1 7.4 to 5.5V converter is tps62150 Level translators for dac and riaa txs0102 txb0104 Front panel led controller pca9955b

They put out a story how damn good they are as anyone else with a huge ego.

I am also hardworking Thomas. If we should make a clean sheet. What would be a acceptable price range for the hardworking British man?

Maybe you should concentrate on unite the country for a start!?