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  1. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    I prefer the more casual style of communication set by Fosi themselves, because they don't provide op amp measurements, so why should I behave any differently?
  2. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    163 / 5 000 Результаты перевода Перевод You have a wide range of interests! Where do you get your information? I hope you explained to them all that only blind tests of butt plugs can establish the truth?
  3. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    These are expected comments that I have read on this forum many times already)). However, I am not the only one, not only in this thread, but also in the one where the Fosi V3 is discussed directly, who did not like the HF and MF of this amplifier. That is, strangers from different places...
  4. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    Thank you for the detailed answer! The statement that it "does nothing" or is a "psychological effect", "placebo", etc. certainly takes place, but remains an assumption, especially in my case - I do not like this amplifier and I am not inclined to endow it with magical properties). For me, it is...
  5. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    That's right, but we all know that Fosi doesn't have the best schematic solution for the TPA 3255 - there are already better measured amplifiers and most likely even better ones are in the pipeline. There is no need to convince me of the usefulness of bypassing electrolytic capacitors, in Sansui...
  6. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    of course, that's why I asked the question, which I'll repeat again - does this theoretically improve or worsen the sound in class D amplifiers?
  7. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    They do something, because when comparing the sound with other class AB amplifiers, the "puff" when instantly switching with the selector button (between two amplifiers for one pair of speaker systems) is heard more clearly than in the version without Wima and at the same time Fosi goes into...
  8. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    I've already done this and there was no damage, but subjectively I liked the sound with Wima more - now I've returned to the factory version without them and the magic is gone!)
  9. Agapit68

    Fosi Audio V3 op-amp rolling, has anyone tried it? Snake oil? Or are there actual differences?

    I have a practical question about the Fosi V3 amplifier - is it technically correct to solder a wima mkp10 0.15uF in parallel with 63v/2200uF capacitors? Doesn't this increase distortion in class D amplifiers?
  10. Agapit68

    Fosi Audio V3 Amplifier Review

    Well, of course I don't mean power. I wasn't happy with the quality of the high frequencies and I solved this problem. I don't see any other way, although there are 90% theorists here who will probably dissuade you from unnecessary expenses.
  11. Agapit68

    Fosi Audio V3 Amplifier Review

    In my experience, the only way to make this amp play is to buy a really good GaN 48v/10a 480w power supply from a competitor and a Fosi DC filter (also 10a). As a result, from an opponent of class D amplifiers, I became their supporter. Before that, my Fosi, bought a year ago (with a 48/5 power...
  12. Agapit68

    Fosi Audio V3 Amplifier Review

    Why measure it? A shielded power cable after the filter is good (or do you have any objections?). Even if there is no filter, a shielded power cable will produce less interference on interconnects and speaker cables (which can be of various designs with flat conductors, for example), phono...
  13. Agapit68

    Fosi Audio V3 Amplifier Review

    All posts with fair criticism of this amplifier are cleared, and not only mine. In this case, we are not talking about any “audio science” here. This is just a forum for promoting Chinese goods. Thanks to all!
  14. Agapit68

    Master Thread: Are Measurements Everything or Nothing?

    On the contrary, I have an increase in bass by about +5 dB on JBL LX-10 speaker systems. I didn’t measure it specifically and I could be wrong +-1dB, but I’ve worked with sound all my life and I know that this is something like this. High frequencies also vary, depending on the speaker systems...
  15. Agapit68

    Master Thread: Are Measurements Everything or Nothing?

    I apologize for the translation difficulties - I, of course, meant measurements, not sizes. And I would gladly replace heavy A-B amplifiers with compact and lightweight class D (and would also save on electricity bills) if this Fosi V3 provided me with adequate sound. But this, to my great...
  16. Agapit68

    Master Thread: Are Measurements Everything or Nothing?

    In no case do I intend to engage in theological debate. And I, of course, am for progress and for measurements. But, how can I explain it to you... Dry dog food is completely balanced, and you can probably get enough of it just as much as in a Michelin-starred restaurant, and if you take...
  17. Agapit68

    Master Thread: Are Measurements Everything or Nothing?

    The fact of the matter is that I already bought it (guided by this forum) and I don’t like its sound despite all its wonderful measurements. My only passion is audio (and I'm already 55) and this is one of the most bland amps I've ever come across.
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