Recent content by Musician

It’s important to know the differences between fundamental room resonanses ( wall/wall, floor/ceiling, wall/wall ) and reflections . Many misunderstand this. The fundamental room resonances are mainly 3 of them - entirely dependent on the size of the room. They are all below 80 Hz in a normal...

As dominikz already wrote, the scale of those measurement is 300dB . Standard is to use 50dB. If the measurements of the different microphones are done at exactly the same spot ( I doubt it ) , the differences between the different microphones are huge. Best way to have better sound using the...

The option to go stereo is very interesting and will be an improvement .

The jitter performance is a little better using the Ultra. This can be verified by several measurements. With my external Rega dac R I can hear a very very small advantage with my Ultra compared to my WiiM pro. The small differences can be heard in the stereo image. The sound advantage using my...

Some unorthodox trick: Try using correction settings 100 Hz - 4000Hz . Harman target, 1/6 dB smoothing. This way , you have nice corrections at the very sensitive 100-600 Hz area ( including SBIR ) but none at all in the bass. This might give you a good result that you like with more bass. The...

Onlyoneme - can you please do measurements of 32 multitone IMD at toslink input for the WiiM Ultra measured after the inbuilt dac at the analog RCA output, test signal done with 44.1 kHz sampling . And a frequency response measurement with the same 44.1 kHz ? I would like to see if the toslink...

Lots of people don’t realize the greatness of Wiim products . They don’t do sample rate conversion . This is a great advantage for soundquality, making it sound meatier, more natural and less digital than the average audiophile streamer transport doing SRC. This soundquality advantage for the...

I have done some testing …. https://www.diyaudio.com/community/threads/wiim-ultra-who-has-it-and-who-has-already-opened-it.417905/page-9 I had to try …. USB out from the Ultra , to my DDC with precision clocks and spdif to my rega Dac R . No sound difference compared to Ultra - spdif -...

I hope they read our request :)

A 4th order crossover like the one thats already used in the Ultra for subwoofer and the main speakers are good, but a better power respons in the room below the transition area can be had with an odd order crossover like a 5th order low and highpass filter. Thats 30dB/oct slopes. If the main...

Yes, this is a good idea.

dominikz, you have PM :)

Thanks for this explanation.

You can change the toslink output resolution in the Wiim app , and still select and use the internal 9038 dac line level ( with the toslink output unused and turned off )

It’s the toslink output resolution setting in the WiiM app that apparently ( and strange ) also limits the performance of the inbuilt dac, - if using Ultras toslink input as a standalone dac . The default is 16/48, should be set at 24/96. It would be nice to see more measurements of Ultras...