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  1. Replies
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    Just an FYI - according to Speaker Exchange -...

    Just an FYI - according to Speaker Exchange - this part is no longer being manufactured, and production stopped Jan 2021.
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    Silly idea

    As silly as it may sound, I want to try my first go at open baffle speakers. Wanted to get an idea of how the 2226H measure - knowing full well the responsive in an OB setting will be drastically...
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    Earl, Great tips in the link you provided. ...

    Earl,

    Great tips in the link you provided. The surface was a concrete driveway, with the nearest distance to grass approximately 6 feet.

    Mic was about 6 to 7 feet away cabinet. There was...
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    JBL 2226H - Outside Ground Plane Measurements

    I was just messing around with a small build (Wayne 4Pi Speakers) and wanted to take measurements of the JBL 2226H before proceeding.

    I dropped the 2226H in an enclosure I had laying around and...
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    Pricing

    Ditto - some pricing would go a long way when gauging interest.
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    15" with Heil

    Rob,

    Beautiful build! Can you comment on the combo with Heil? Did you feel like something was missing jumping from a 15" driver straight to the Heils?

    Since I'm home these days, I was just...
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    Hmm - interesting to learn about the resonance...

    Hmm - interesting to learn about the resonance peak at 1.9Khz. Might make the passive x-over solution difficult. Have to think about it more - I'm not married to the 2214H.

    I owned a pair of JBL...
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    Thanks for posting, Rob. I took distortion...

    Thanks for posting, Rob. I took distortion measurements of the pair I purchased earlier this year and observed significant increase in distortion below 1.0Khz. Thus, I wanted to play it safe and keep...
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    JBL 2214H - How high?

    Wanted to know fellow forum member's experience with JBL 2214H. There is little to no tech info on this unit.

    I want to build a 2-way with ESS AMT-1s - but don't want to use the AMT-1s, any less...
  10. Replies
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    37,453

    W15gti

    I know the W15Gti subwoofer doesn't get much love here, but in my opinion (after having owned the 2235H, 2245H, 2241H, and 2242H) its just as good as the rest of them.

    The only thing that...
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    No. I'm pretty sure Mr. Widget was talking about...

    No. I'm pretty sure Mr. Widget was talking about the JBL Sub1500. Few years back Parts Express had a blowout sale on them. I don't think the Sub1500 is around anymore.
  12. Vertical Response

    Here is the measured vertical response of the Heil AMT1 (ignore the SPL magnitude - these measurements were taken 1M from the AMT at 90db volume).

    Vertical response is good to 10K +/- 10 degrees,...
  13. Replies
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    126,104

    Is the 80-90db at 1m?

    Is the 80-90db at 1m?
  14. Widget - see this crazy thread at Klipsch Forums...

    Widget - see this crazy thread at Klipsch Forums - https://community.klipsch.com/index.php?/topic/188177-double-stack-ess-amt-1-with-wings-possible-kit-for-heritage/
  15. Replies
    125
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    Duly noted - I'll take additional measurements at...

    Duly noted - I'll take additional measurements at 90db and will show 2nd, 3rd, and 5th.
  16. Replies
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    Few Measurements

    Took few measurements this evening:

    (1) Sample 1 vs Sample 2 - Frequency Response
    (2) Sample 1 - Distortion (2.83v at terminal - mic 20in from driver)
    (2) Sample 2 - Distortion (2.83v at...
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    Thank You! - I look forward do it.

    Thank You! - I look forward do it.
  18. Replies
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    You are right. I'm in the process of building a...

    You are right. I'm in the process of building a bass cabinet to go along with these. I'll see how difficult it would be to get them to match (moreorless) via the crossover.
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    Need Measurements

    Hi All,

    Can someone please post raw measurements of the AMT drivers? Both Left and Right - just the AMTs.

    I just measured my pair and there is about 3-4 db in overall variance, with one...
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    I don't think I will use a protection cap. They...

    I don't think I will use a protection cap. They can be safely played down to 800hz with a second-order crossover <- that makes them pretty robust in my book. Plus given their efficiency, I plan on...
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    The Heils have arrived!

    Per UPS tracking, the Heils have arrived. I plan on taking measurements later today/tomorrow.

    Wanted to know if people are using a protection cap (e.g. 50uF or 80uF) in series for measurement...
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    Thanks, Earl! That is pretty impressive range...

    Thanks, Earl!

    That is pretty impressive range (500hz - 20Khz). May not be untrue that it can be crossed as low as 800hz. Mine will not be shipped now until tomorrow; thus, I don't expect to have...
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    Rob - I believe that design was from early 2011. ...

    Rob - I believe that design was from early 2011.

    I really doubt my driver measurements will match Dennis's.

    I must say you got your hands on a pretty decent pair. While there may be response...
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    Gate Measurement

    Jmpsmash,

    Have you tried gating your measurements? Your measurements seem to include the room response.

    You can look at the Impluse Response to see when the first reflection arises, and then...
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    I just ordered a pair

    I just ordered a pair. I will try Dennis's crossover, but before I do, I want to make sure my raw measurements are consistent with his raw measurements.

    For those at that are curious, see...
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