Has anyone used 'Heil Air Motion' Transducer? - diyAudio
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Old 2nd May 2004, 02:15 PM   #1
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Red face Has anyone used 'Heil Air Motion' Transducer?

Hi,

Has anyone used heil air motion transducer. Does it really sound as good as claimed by some of the sites.
Thanks in advance,
Goldy
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Old 2nd May 2004, 09:45 PM   #2
qi is offline qi
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An Italian magazine had a "best sound" competition and they came in #1...

DIY Air Motion Transformer

They are very smooth above 2k. My personal favorites...
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Old 2nd May 2004, 09:55 PM   #3
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I use them above 2200 Hz and they are the best tweeters I have ever used.
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Old 3rd May 2004, 01:54 AM   #4
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There is no question the Heil is an excellent tweeter...

We have used them in an AMT-1 converted to 3-way, and in a 2-way with a pr of Fostex 9" woofers (push-push)... the latter was the one i liked best. 1st order passive XO at about 2k. Biamping should be even better since finding woofers that are anywhere near as efficient as the Heils is hard (or very expensive)

dave
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Old 3rd May 2004, 02:21 AM   #5
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OK, I'll bite. Where can you get them other than as part of a system?

Haven't hear them in a while, but listening to them was one of the reasons I kept going back to that store in Ann Arbor 25+ years ago.

How do they compare to a Raven R-1?
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Old 3rd May 2004, 03:02 AM   #6
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Quote:
Originally posted by BobEllis
OK, I'll bite. Where can you get them other than as part of a system?
I understand they are available as parts from ESS in California (real cheap too from what i hear). The 2 we used were, in the 1st case attached to the client's AMT1s, and n the 2nd bought used.

Haven't hear them in a while, but listening to them was one of the reasons I kept going back to that store in Ann Arbor 25+ years ago.

Quote:
How do they compare to a Raven R-1?
Haven't heard R1s... certainly more efficient, more robust, go lower, dipoles (no cavity resonance) and if the price i heard is right, cheaper.

dave
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Old 3rd May 2004, 04:30 AM   #7
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Old 3rd May 2004, 04:52 AM   #8
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Raven R1 is much more detailed, fast and extended. Heil is still very nice and lush with lots of intensity and much better than most expensive dome tweeters.
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Old 3rd May 2004, 12:04 PM   #9
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I have listening this speaker, the best characteristics are:
really dynamic and transparent sound and detailed.
Fatigue of listening nonexistent.
Valter

http://www.omicrongroup.net/Casse/Pa...Principale.htm
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Old 3rd May 2004, 02:20 PM   #10
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I recently compared the ESS AMT to a Cantus ESG2 honestly, my friend and I both prefered the AMT. I think the dipole radiation pattern and the ability to move more air (compared to the ESG) made the highs sound more "real"
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