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  1. Martigane
    Post

    Science and Engineering Learning Lab

    Extremely interesting! I came up with a similar project (in truth, it's closer to the "Snap circuit" you mentioned), which I built 6 months ago,...
    Post by: Martigane, Mar 4, 2024 in forum: Audio Science
  2. Martigane
    Post

    ASR Member Takes Offense At Real Science; Also Cries

    One phenomenon not to overlook here is that we are effectively measuring the end distortion of the entire chain DAC->AMP->HP->Microphone, and in...
    Post by: Martigane, Jan 12, 2024 in forum: How to Win Friends and Influence People
  3. Martigane
    Post

    ASR Member Takes Offense At Real Science; Also Cries

    I was a hard objectivist back in the days too, until I started listening to some gears. Just the other day I was comparing the Topping A30 / D30...
    Post by: Martigane, Jan 8, 2024 in forum: How to Win Friends and Influence People
  4. Martigane
    Post

    Grado PS500e Review and Measurements (and SR80X too)

    It would be interesting to see the burst / decay response of the grado given how clean/fast the midrange is on the waterfall.
    Post by: Martigane, Oct 6, 2023 in forum: Headphones
  5. Martigane
    Post

    Speaker building all by yourself

    I have uploaded REW measurement report and did some analysis, for those interested: https://photos.app.goo.gl/ssUXULXh32tTUE7UA Yes, but the...
    Post by: Martigane, Apr 1, 2023 in forum: DIY
  6. Martigane
    Post

    Speaker building all by yourself

    Fair enough. I still wonder what exactly in the design accounts for the massive soundstage difference. I might soon have the opportunity to...
    Post by: Martigane, Mar 30, 2023 in forum: DIY
  7. Martigane
    Post

    Speaker building all by yourself

    Yes, so that explains the delta in low frequencies, but what's surprising is that this was not even the most apparent difference. Soundstage and...
    Post by: Martigane, Mar 29, 2023 in forum: DIY
  8. Martigane
    Post

    Speaker building all by yourself

    So, I've spent some time optimizing the setup pictured below, comparing two 3 way speakers in my acoustically treated lab: My DIY speaker...
    Post by: Martigane, Mar 29, 2023 in forum: DIY
  9. Martigane
    Post

    Schiit Bifrost 2

    Comparing BF1 and BF2 on my DIY 3-way Speakers, the difference is clearly noticeable. Interestingly the delta is more noticeable than with...
    Post by: Martigane, Jan 6, 2023 in forum: Digital: DACs, USB converters, decrapifiers
  10. Martigane
    Post

    Dan Clark Audio Stealth Measurements and Thoughts

    I'd be interested in the attack/decay 10 wave burst response to see if the meta material has any effect. I expect burst decay to be fast as...
    Post by: Martigane, Oct 20, 2022 in forum: Headphone Measurements
  11. Martigane
    Post

    Schiit Bifrost 2

    The APX measurement report on Schiit website shows great improvements over "old BF2", especially on IMD distortion (between 20 and 40dB...
    Post by: Martigane, Jul 22, 2022 in forum: Digital: DACs, USB converters, decrapifiers
  12. Martigane
    Post

    Fuji XF50mm f1 (with Fuji X-T3) Review

    Nice! I love the APO bokeh. By contrast, the bokeh on my sigma 50mm 1.4 Art looks rather nervous. I used to look for benchmarks online with point...
    Post by: Martigane, Jun 25, 2022 in forum: Photography and Cameras
  13. Martigane
    Post

    Cable Building

    So I needed some XLR cables for my Bifrost 2 to feed both my DIY headphone amp and my speaker amp. I ended up going the DIY way using some pure...
    Post by: Martigane, Feb 18, 2022 in forum: DIY
  14. Martigane
    Post

    Burst Response! HD800, SR-207, HD650

    I get your point. Basically, you'd like the equivalent of a CSD but for the onset instead of the decay, keeping the time axis as number of cycles....
    Post by: Martigane, Feb 7, 2022 in forum: Measurement Techniques Discussion
  15. Martigane
    Post

    Custom Cans HD600/HD650 mod: measurements and impressions

    Constricting the airflow on the back of the magnet had similar effects on THD when I did it on HD58X, but there, the foam improved CSD and...
    Post by: Martigane, Dec 27, 2021 in forum: Modifications and Tweaks
  16. Martigane
    Post

    Speaker building all by yourself

    For the transmission line characteristics, I ended up finding the best compromise for this driver (SB34NRXL75-8) as below: 94Liters TL length of...
    Post by: Martigane, Nov 27, 2021 in forum: DIY
  17. Martigane
    Post

    Speaker building all by yourself

    Thanks @Cspirou for pointing me towards this thread. Here's my first DIY Loudspeaker project, a 3 way called "Saisho". Designed from scratch...
    Post by: Martigane, Nov 27, 2021 in forum: DIY
  18. Martigane
    Post

    Speaker porn

    Not sure if this fits in "speaker porn" category, but here's my first DIY Loudspeaker project, hence called "Saisho". Designed from scratch...
    Post by: Martigane, Nov 27, 2021 in forum: Speakers
  19. Martigane
    Post

    Hacking Schiit

    Thanks Marvey. Live and learn, I guess. I have tried 2156 in my DIY headphone amp in a non-inverting voltage gain stage. Subjectively, I found it...
    Post by: Martigane, Jul 31, 2021 in forum: Modifications and Tweaks
  20. Martigane
    Post

    Hacking Schiit

    II saw this model below. Is it any good to get my SMD toes wet?...
    Post by: Martigane, Jul 24, 2021 in forum: Modifications and Tweaks
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