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  1. Vindication! Thanks. Listen to Tarkus and...

    Vindication! Thanks.

    Listen to Tarkus and you'll hear the "chiff" in the Hammond, almost continually, in the left channel.

    The problem with "high resolution" speakers is that you also hear...
  2. So, were you able to hear the distortion?

    So, were you able to hear the distortion?
  3. I believe so. I'll listen again in the near...

    I believe so. I'll listen again in the near future and get a track#/time.
  4. Was listening to ELP Pictures at an Exhibition...

    Was listening to ELP Pictures at an Exhibition last night (original CD) and was hearing a distortion in the left channel that seemed to eminate from the Hammond, rather than the system. The Ethyl...
  5. I've moved my speakers about and they are now...

    I've moved my speakers about and they are now closer to the back wall with one of the Heils now in front of a big mirror. The other one is sort of in front of a smaller picture.

    I was listening...
  6. "Direct mode" is the solution to removing digital...

    "Direct mode" is the solution to removing digital artifacts and noise through the receiver, but they still remain to some extent through other aspects of the system (conversion within the Oppo) and...
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    Back in the 70s at the swap meet my brother...

    Back in the 70s at the swap meet my brother picked up an Altec 605 in a utility cabinet and a separate LE15A that was white due to a heavy application of ??? coating. The coating had a "sand"...
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    Possibly, don't recall. Even so the pics are no...

    Possibly, don't recall. Even so the pics are no longer out there.

    W10GTis in the front and rear surrounds (~2 cu ft) and I designed/built the crossovers based roughly on the L200B circuits. But...
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    http://www.audioheritage.org/photopost/data//525/m...

    http://www.audioheritage.org/photopost/data//525/medium/Stereo_007.JPG...
  10. When I access my entertainment center to put in a...

    When I access my entertainment center to put in a disk/make an adjustment, I stand behind the left speaker, right infront of the back of the tweeter.

    When I change my Yamaha RX-Z9 into "CD Direct"...
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    W15GTi and a shiite-load of power. Goes both...

    W15GTi and a shiite-load of power. Goes both lower and higher, smoother than the 2235.
  12. There are four ways to stack these. They can be...

    There are four ways to stack these. They can be stacked vertically, horizontally/vertically, horizontally/horizontally (toed out as was done by Heil), or one can be turned 90 degrees. The...
  13. Good to hear from you Jeff. Yes, "mechanical"...

    Good to hear from you Jeff.

    Yes, "mechanical" provides both compression and diffraction. My plots show an increased output of the lower frequencies through loading and a decrease at the peaks...
  14. Hence the wedgies in which we control these...

    Hence the wedgies in which we control these "mechanically" and through crossover component selection rather than through add-on electronic filtering. ;)
  15. I often hear this, but wonder..., is it the...

    I often hear this, but wonder..., is it the Heils, or are the Heils are just revealing what's really there? Attenuating them a bit helps tremendously at removing the grain, but also removes a bit of...
  16. I had experimented with putting stuff (e.g., open...

    I had experimented with putting stuff (e.g., open cell foam) behind trying for a smoother frequency response, but settled on the wedgies. I may have to try again and see what the RTA says.

    There...
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    Got a compass??? ;)

    Got a compass??? ;)
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    What are people doing about the rear wave and...

    What are people doing about the rear wave and what was done in other simulations? Is the elevated distortion at lower frequency possibly due to rear wave cancellation/destruction?

    Would a set of...
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    Your plots confirm what I see on my RTA. I don't...

    Your plots confirm what I see on my RTA. I don't know why these people keep showing plots with a decrease in volume after the 5KHz hump. My plots, even without the crossover, show a continuing rise...
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    Mine came from the AMT 1D line. They actually...

    Mine came from the AMT 1D line. They actually look a bit different than the earlier/later versions.
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    Both of mine have a dc resistance of 2.9 ohms,...

    Both of mine have a dc resistance of 2.9 ohms, which is why I run a 5 ohm resistor in series and use an 8 ohm L-pad.
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    When I close off the port, the 2251J just doesn't...

    When I close off the port, the 2251J just doesn't sound as good nor is as flat.
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    Most current version of the crossovers. The...

    Most current version of the crossovers. The 0.9/30 ohm control the high cutoff frequency of the 2251J while the 6.8 "squares" off the top of the band. The 0.065/2.37 control the interface to the...
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    Yes, I built them and they are rear ported. The...

    Yes, I built them and they are rear ported. The 2251J was actually designed to be used in a midbass horn enclosure. A 2241H is crossed over at 225Hz.

    Lately I've taken to running the system as a...
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    I just slide mine back and forth and watch the...

    I just slide mine back and forth and watch the results on the RTA looking for the smoothest curve.
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