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  1. Marko Dvecko

    Euphony OS v4 beta test results COMING SOON!

    Thank you for your feedback.
  2. Marko Dvecko

    Euphony OS v4 beta test results COMING SOON!

    Mozzaik Upsampler 1.2.0 is available in production. The whole processing chain has been revisited. Improved DSD modulator is created to give more resolution. Upsampling filters are created from the scratch with new algorithms to reduce numerical errors. Precision is increased to 80bit floating...
  3. Marko Dvecko

    WADAX dedicated forum

    I've heard Wadax in two rooms last year in Munich. One room sounded great. Texture with good soundstage. Very rich sound with ambience. Other room was a dissapointment for me. Cheaper analog setup just outperformed Wadax expensive setup. Sound was harsh and not for my taste. I thought that it...
  4. Marko Dvecko

    Euphony OS v4 beta test results COMING SOON!

    Release version of Euphony with new version of Mozzaik Upsampler is available for update. Improvements are mentioned in the previous post.
  5. Marko Dvecko

    State-of-the-Art Recordings of Classical Works (SACDs)

    I have two records that sounds very good on SACD. I use their PCM masters as reference material for the critical listening. 1. Saint Saens - Orchestral Work link 2. Weber - Wind Concertos link
  6. Marko Dvecko

    Euphony OS v4 beta test results COMING SOON!

    There are updates of the Mozzaik Upsampler available in the beta version. Don't know when it will be in the production. Upsampling filters were modified to get better sound on the old CDs. Mayority of improvements is done in the DSD upsampling area. I reccomend Mozzaik DSD upsampling for DACs...
  7. Marko Dvecko

    Declining use of negative feedback - trend?

    Looks like a great book. Thanks for the info.
  8. Marko Dvecko

    Soulution, early adopter of Leedh Processing

    I'm a bliever in the LEEDH Volume control. It works best when using 16bit recordings. There recording has been mastered carefully chosing noise shaper/dithering that fits. Adding additional noise used in classic digital volume controls, when changing volume will change the sound. I've been...
  9. Marko Dvecko

    Declining use of negative feedback - trend?

    Negative feedback is not completely understood for the audio. I like to use it a lot in my designs. There is a boundary when it is too much and sound subjectively starts to degrade. What is causing it I don't know. Whatever it is, we cannot measure it with methods that we are currenty using. For...
  10. Marko Dvecko

    Hello from Croatia

    Output of the buffer stage from video OP AMP is operating in class A. Power stage is simple class D. Idea is to get SET sound with lots of power utilizing analog signal processing and class D power.
  11. Marko Dvecko

    Hello from Croatia

    Video OP AMPs are used for two reasons: 1. High bandwidth - makes easier to design feedback without causing instability issues 2. High output current - used as an buffer output stage in class A
  12. Marko Dvecko

    Hello from Croatia

    Thanks. It is all integrated. Mayority are OP AMPs and majority of them are video OP AMPs.
  13. Marko Dvecko

    Hello from Croatia

    Mozzaik1 amplifier controls the sound with the precise analog processing in the input stage. Mathematical operations used for processing are implemented using Gilbert cells for multiplication. Same concept is used in RF modulation / demodulation as digital processing for RF is not applicable. We...
  14. Marko Dvecko

    Hello from Croatia

    From the AV Show Warsaw 2022.
  15. Marko Dvecko

    Playback Designs MPD-8

    I've heard Playback Design electronics in High-End Munich before COVID-19. I was impressed with the sound. It was in 10 best sounding rooms at the show IMHO.
  16. Marko Dvecko

    Hello from Croatia

    I'm Marko Dvecko, constructor of the Mozzaik Audio brand. We have two products on the market. Mozzaik1 power amplifier and Mozzaik Upsampler to PCM and DSD as a part of Euphony Stylus software. I'm a long time music lover and electronic engineer. My interest is in acoustics and room threatment.
  17. Marko Dvecko

    Euphony OS v4 beta test results COMING SOON!

    Thanks for the feedback. Update with improvements of Mozzaik Upsampler is coming soon.
  18. Marko Dvecko

    Jonathan Valin says the Soulution 760 DAC is the best he's ever heard. Your Thoughts?

    I've heard Soulution 760 DAC last year in Paris show. System was with Constellation electronics and Magico A series speaker. I was impressed with the sound. I would like to hear comparison between Soulution and MSB DAC in the same system.
  19. Marko Dvecko

    Bernie Grundman tells it like it is----great video---lots to unpack

    BG is mine favorite mastering engineer. When he says digital has problems I believe him. Today DAC chips are measuring so good and still they all sound different. Upsampling filters, SDM and analog part of the DAC have their role in the sound. What we as constructors can do is invest our time to...
  20. Marko Dvecko

    Euphony OS v4 beta test results COMING SOON!

    Any news?

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