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  1. M

    Fosi Audio Box X5 Phono Preamp Review

    Pro devices come with good documentation, e.g. RME's ADI2/4 pro that has a phono (MM) input https://rme-audio.de/downloads/adi24pro_e.pdf Also, Park Audio's documentation is decent http://parksaudiollc.com/manual.html Of course, they are not in the same category (price/functionality).. Edit...
  2. M

    Trinnov Amplitude 16 Amplifier Review

    Why do you need an amp at all? A Neumann MT 48 or a mergin anubis can distribute the aes67 channels that are decoded in a mac (pc?)..
  3. M

    Can anyone explain the vinyl renaissance?

    Any effort that tempts gen-z with book reading is a probably worth pursuing. Likewise, anything that emphasizes consuming music outside of autogenerated spotify playlists is also good.
  4. M

    Can anyone explain the vinyl renaissance?

    I think we should accept that SQ vinyl < digital. This is true because of pops and clicks alone. Then, the format introduces even harmonics (is this what people mean with warmer?), crosstalk, and heavy forward/reverse EQ, etc. Some may prefer this (and tube amps) but I don't see how this is better.
  5. M

    Can anyone explain the vinyl renaissance?

    So this pro audio person says that people who think that vinyl is actually "warmer" are actually right due to the limitations of the medium. He then goes on to show that vinyl is toxic as it emit PM2.5. Ugh Curious what people here think
  6. M

    Topping B100 Amplifier Review

    What is the input impedance?
  7. M

    Can anyone explain the vinyl renaissance?

    Give pops and crackles fireplace vibes?
  8. M

    Topping B100 Amplifier Review

    Not sure if thre is an easy way to standardize this unless it is a well defined system like a THX certified home cinema. For example audio interfaces tend to operate at +4dBu (1.2V) with 22dB headroom, and output up to 12Vrms. Then we have 105dB/m Klipschs and 85dB/m KEF speakers...
  9. M

    Parks Audio Waxwing measurements

    Is there a particular appeal to chose such a low output cartridges? I'd suspect it may amplify a number of imperfections like distortions (even if noise is well controlled with noise at 400Ohm input).
  10. M

    Can anyone explain the vinyl renaissance?

    Instruments are intended to have characteristics: the violins sound very different and the difference would be even more striking in the room. Ideally, speakers are transparent and don't color the sound.
  11. M

    Can anyone explain the vinyl renaissance?

    Well, opera vs. musical, orchestra vs. band, organ vs. keyboard, tend to be quite different careers. It really depends. Musicians have a completely different vantage point than the listeners. A violin players should probably suggest that the sound should be left channel only to be "realistic"...
  12. M

    Can anyone explain the vinyl renaissance?

    I would think vinyl discourages casual listening, no?
  13. M

    Class A vs AB vs D amplifiers

    Huh? There are several class-D amps that compete in the relevant spectrum (even the NC400). As for outside the spectrum, I would be curious what happens to speakers when fed a reference level sine-wave @ 0.1Hz or 200kHz
  14. M

    Class A vs AB vs D amplifiers

    The signal version of a class-D amplifier is a DAC. I believe we use them all the time.
  15. M

    Preamp or no?

    Value ("worth it") is subjective - I don't have first hand experience with the specific speakers or power amps but I'd expect them to be a good match based on specs and measurements. Insensitive speakers tend to like power (actually current) so I can see that a solid-state monoblocks work well...
  16. M

    Preamp or no?

    Hard to believe there is an actual sound difference with the amplifier and speaker in question. They are quite vintage...
  17. M

    Hypex NC400 Low Gain Modification

    A ~22dB "medium gain" is likely the best solution when combined with "consumer" balanced DACs (~4V). "Pro" interfaces (RME, MOTU, ...) happily put out 20/21dBu and more. For example, this can be used to run for professional reference levels -18dBFS=0dBu (European Broadcasting Union, EBU) or...
  18. M

    Hypex NC400 Low Gain Modification

    Summary This post summarizes information to changes the Hypex NC400 gain to 12dB "low gain" (from 26dB "high gain") by removing the Rg resistor from the instrumentation section. With lower gain, the amp clips above 9.6V rms instead of 2V*. An added bonus is that padding, i.e. gain reduction...
  19. M

    Preamp or no?

    In short, no. DACs have best performance at max volume but the differences are inaudible if the processor runs at a decent bitdept like 24/96 or more (most state of the art DACs do this anyway). Only reasons to not do this is the need for analog input channels. If you like the concept of a...
  20. M

    Parks Audio Waxwing measurements

    It is probably easier to detect (and remove) clicks that saturate one or a few ADC samples. It is probably more complex but I'm curious if that is part of it.
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