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purr1n's Recent Activity

  1. purr1n replied to the thread Finding ways to make it work: DNA, Weiss, Musician, ZMF.

    Yeah, Weiss is getting some damn good sound from the ancient ESS 9018. The current gen ESS stuff seems easier to work with by the...

    Apr 22, 2024 at 8:56 AM

  2. purr1n replied to the thread Musician Draco R2R DAC.

    In a nutshell: Don't bother with OS mode because something sounds wrong with the digital filter, both from a headstage and tonal...

    Apr 22, 2024 at 8:41 AM

  3. purr1n attached a file to the thread Musician Draco R2R DAC.

    Musician Draco SE outputs NOS SPDIF in THD (no N) vs Frequency (at four different output levels) 90kHz bandwidth [ATTACH] Note: stepping...

    upload_2024-4-22_10-25-37.png Apr 22, 2024 at 8:26 AM

  4. purr1n attached a file to the thread Musician Draco R2R DAC.

    Same settings as above, but 2kHz signal (linear frequency scale) [ATTACH] The above is OK. We see the harmonics of the 2kHz signal ad....

    upload_2024-4-22_10-3-6.png upload_2024-4-22_10-5-27.png upload_2024-4-22_10-9-14.png Apr 22, 2024 at 8:11 AM

  5. purr1n attached a file to the thread Musician Draco R2R DAC.

    Now, this is super weird. Musician Draco SE outputs NOS 0dbFS THD (no N) vs Frequency [ATTACH] (50 point crawl to get finer...

    upload_2024-4-22_9-50-31.png upload_2024-4-22_9-53-44.png upload_2024-4-22_9-55-18.png upload_2024-4-22_9-55-55.png upload_2024-4-22_9-56-45.png Apr 22, 2024 at 8:02 AM

  6. purr1n replied to the thread Thingverse HD600/HD650 mod discussion.

    Moved to separate thread from custom cans thread.

    Apr 21, 2024 at 11:25 AM

  7. purr1n rated YMO's post Epic in the thread Merv's Politically Incorrect Audio Blog.

    Dunno, but I got @JK47 wet dream here. Following up on @purr1n post, I went to the Daytona Flea Market, which we locals call it the...

    Apr 21, 2024 at 8:51 AM

  8. purr1n replied to the thread Verum 2 Review and Measurements.

    Buy Verum One now and enjoy it now. But Verum 2 later and have the difficult choice of selling Verum 1 and keeping it (because it's...

    Apr 21, 2024 at 8:50 AM

  9. purr1n replied to the thread Merv's Politically Incorrect Audio Blog.

    I thought what you’ve been saying about some Florida folks was hyperbole or edge cases. However, after seeing a truck with FL plates in...

    Apr 20, 2024 at 11:27 AM

  10. purr1n commented on Lyander's profile post.

    Will Amir and RTings change their scores ever other year Harmon releases another version of their target.

    Apr 20, 2024 at 8:18 AM

  11. purr1n attached a file to the thread Hertz Audio DCX 87.3 3.5" coaxial speaker in Jeep JL.

    So to address the 13kHz problem? TP. Applied two layer TP under the grill to flatten the peak. I then set EQ on treble -2 and bass +2 to...

    upload_2024-4-19_9-16-42.png Apr 19, 2024 at 7:26 AM

  12. purr1n attached a file to the thread Hertz Audio DCX 87.3 3.5" coaxial speaker in Jeep JL.

    Found a pair or 270uF caps. Larger than I wanted, but given the low impedance of the Hertz part, it should be OK. [ATTACH] Hertz Audio...

    IMG_1788.jpg upload_2024-4-19_8-38-18.png Apr 19, 2024 at 6:39 AM

  13. purr1n attached a file to the thread Hertz Audio DCX 87.3 3.5" coaxial speaker in Jeep JL.

    Here we go. Hertz Audio DCX 87.3 Impedance Curve [ATTACH] About 3.5-ohms at 100Hz and 500Hz. The Fs is over 200Hz, which would be in...

    upload_2024-4-19_8-4-18.png upload_2024-4-19_8-9-56.png upload_2024-4-19_8-11-8.png Apr 19, 2024 at 6:14 AM

  14. purr1n replied to the thread Hertz Audio DCX 87.3 3.5" coaxial speaker in Jeep JL.

    Funny you mention this. It turns out that the stock driver has a cap in line for a first order high-pass. It's entirely possible that...

    Apr 19, 2024 at 6:00 AM

  15. purr1n commented on purr1n's profile post.

    How do you know if I have to get involved? It’s when several mods and Julie alert to something, not once, but several times in a week.

    Apr 18, 2024 at 11:19 PM
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