Recent content by marin

  1. marin

    Impulse Response Measurement

    Jay, I'm not using REW, so can't make use of the files, and anyway don't have as much time to burn as your comrades at HTS, who invest hours after hours to help you learn the software, interpreting the various graphs and optimizing your setup. So far you and your friends seem to have addressed...
  2. marin

    Impulse Response Measurement

    What I consider being helpful measurements when intending to eq a speaker in-room: -Individual gated driver measurements in the nearfield (impulse, step, frequency response, waterfall), to figure out what their individual contributions are with as little room contribution as possible. -Single...
  3. marin

    Impulse Response Measurement

    Of course, one could shift the first arrival to the left and then zoom some more to get more detail...but we can also work with what we have here, I guess. These graphs look like the individually taken driver step responses overlaid on one another. I'm not sure wether Jay has stored measurements...
  4. marin

    Impulse Response Measurement

    Just found an even older thread about Jay's adverture, pictures of the room with modified Klipschorns, insertion of a parametric eq, many adjustments, wildly differing graphs and all. Horn speakers, and vintage ones especially, very often exhibit very rugged impulse/step responses, mainly due...
  5. marin

    Impulse Response Measurement

    Thank you for the plots, but still missing the step responses though. From my crude guesstimations, in the tweeter graphs there seems to be either a very early reflection or a strong diffraction from the baffle with a pathlength of about one foot more than the direct sound, shown by the first...
  6. marin

    Impulse Response Measurement

    Pretty crowded graph here. Doesn't tell me much about driver integration at your listening/measurement position. If your software allows for it, you could compute the resultant step responses and show those, one channel overlay each per graph to reduce complexity. Then take measurements of each...
  7. marin

    Expert Advice Wanted Here

    Just found your newer post now, which seems to answer my question (it was a measurement setup issue).
  8. marin

    Expert Advice Wanted Here

    Just read this thread today and have one observation: Mid/tweet impulse responses for left and right speakers seem to be taken with reversed polarities. Is that only a measurement hookup related issue, or are you actually listening to music like this? My guess is, that it's mesurement hookup...
  9. marin

    Relay for high current amp

    You may want to add the snubbers across the relay contacts then, will prolong their lives too! The additional cost is next to nothing. Enjoy...
  10. marin

    Relay for high current amp

    I suggest using a snubber circuit across the switch contacts. Something like a 100nF X2 type capacitor with a 100 Ohm resistor in series. See https://www.buerklin.com/datenblaetter/D105640_TD.pdf?ch=30728 for a device integrating both components. Your tech will know, when you show him... It'll...
  11. marin

    The cost so far...

    Less than 7k here as well. To each his own - I'd probably sink more money into the hobby if I could! I love to see those big buck systems and dream of perfect reproduction, but rarely have I listened to such systems, and even more rarely have they impressed me with their virtues... Attached...
  12. marin

    Discharging static!

    If this is still an issue for you, let me suggest the following. You might want to try the ESD-Version Birkenstocks. These will vastly diminish the charge you pick up on your way from the sofa to your rack, even if you've not got an antistatic floor. I happen to know from experience, since I...
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