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  1. gfinlays

    Hypex Nilai500DIY Amplifier Review

    You misunderstood me. I fully understand why someone would want to make digital copies of vinyl. Why you would encode vinyl at 192/32 however, is beyond me.....
  2. gfinlays

    Hypex Nilai500DIY Amplifier Review

    Please enlighten me.
  3. gfinlays

    Hypex Nilai500DIY Amplifier Review

    This thread seems to have wandered way off the original review of the Hypex Nilai 500 DIY. Perhaps a separate thread would be more appropriate to discuss the questionable practice of modifiying Class D amplifiers? Class D amplifiers are complex beasts. A great deal of care has to be taken...
  4. gfinlays

    Hypex Nilai500DIY Amplifier Review

    A reviewer who listens to 192/32 recordings of his LPs.....
  5. gfinlays

    Hypex Nilai500DIY Amplifier Review

    And you can back your claim of improved sound with objective measurements?
  6. gfinlays

    Hypex Nilai500DIY Amplifier Review

    Here's the gushing word salad review of the inaudible tweaks made to a VTV branded Purifi amp: https://10audio.com/evs-vtv/#:~:text=The%20bass%20is%20tuneful%20and,amps%20in%20this%20listener's%20experience. The NAD C298 to which this "review" refers was also measured by Amir and it achieved a...
  7. gfinlays

    Hypex Nilai500DIY Amplifier Review

    He's selling something that makes no audible difference with claims that it does, so yes, it would be fair to say that he is also a cheat. Did you see my earlier post? There's nothing in the FFT noise spectrum above -136 dB. How can any tweak make an audible improvement...
  8. gfinlays

    The "new" Class D vs A/B amps

    OMG, should I ditch my Canare 4S11 and make speaker cables out of 35 mm² (2 AWG) welding cable instead?
  9. gfinlays

    The "new" Class D vs A/B amps

    Good Class D amps employ PFFB (post filter feed back) and have vanishingly low output impedance. Operated within their (very broad) design limitations, the audibility of speaker/amplifier interaction is non-existent. A lot of what people think they hear is driven by sighted bias and a lack of...
  10. gfinlays

    The "new" Class D vs A/B amps

    There's so much bullshit spouted by the popular hi-fi press about the sonic differences between Class D and Class A/B. Fortunately, this is Audio Science Review, where objective measurements are what really count. I'm in the process of converting a stereo 3-way passive speaker to fully active...
  11. gfinlays

    Hypex Nilai500DIY Amplifier Review

    That amplifier also uses a filthy great R-core transformer running at 50 or 60 Hz, with rectifier diodes generating 100/120 Hz output with a lot of high frquency hash. Hypex doesn't state the switching frequency of the SMPS for the Nilai 500 but it will be very high. The standby supply on the...
  12. gfinlays

    Battle of RCA Cables: Mogami, Amazon, Monoprice

    PSC Audio AG Monolith. Don't know about current price, but a pair of these in 2010 was US$42,000!
  13. gfinlays

    Battle of RCA Cables: Mogami, Amazon, Monoprice

    I built all of the balanced cables for my active setup with Van Damme miniature starquad, albeit with a nice looking black and yellow braid. Neutrik XLR and TRS connectors throughout. Couple of hundred pounds for all twelve cables. I figure if it's good enough for pro use, it's good enough for...
  14. gfinlays

    Review and Measurements of Benchmark AHB2 Amp

    I finally got around to doing the Acourate driver linearisation measurements today for my active setup. For the bass driver on the speaker nearer the front window, I had to turn on the -20dB PAD setting on the mic input of my Motu Ultralite Mk 5, and max out the volume to knock down the ambient...
  15. gfinlays

    Review and Measurements of Benchmark AHB2 Amp

    Benchmark uses Canare StarQuad L-4E6S for their balanced interconnects with Neutrik XLR connectors. Outstanding performance that doesn't break the bank.
  16. gfinlays

    Review and Measurements of Benchmark AHB2 Amp

    I'd love for my room to be much quieter. There's a road 15 metres from the front window and we're more or less under Heathrow's flightpath. Apart from that, half the houses in the neighbourhood seem to be building extensions right now.....
  17. gfinlays

    Amazon Basics 4K HDMI Extractor Review

    Music source is Roon - local library and Qobuz/Tidal. The Motu is fine with sample rate changes.
  18. gfinlays

    Amazon Basics 4K HDMI Extractor Review

    I'm being a dunderheid. Nearly all of our TV comes via an Amazon Firestick, so I could just insert one of these in between. With the optical out feeding into a Motu Ultralite, I get glitches in the audio on and off. I suspect it's due to the TOSLINK clock not being so great. The HDMI audio...
  19. gfinlays

    Amazon Basics 4K HDMI Extractor Review

    Don't know if anyone can answer this, but would would pulling the HDMI ARC output from a TV via this device be a better option than the TV's TOSLINK output?
  20. gfinlays

    Audiophonics branded amps: Reliable?

    There are ventilation slots visible in the sides of the enclosure and slots in the bottom, so it's not sealed. Similar amount of ventilation to the Hypex DIY cases. Given the very high efficiency and low heat generation of this type of amplifier, I doubt it's an issue. Maybe when I have some...
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