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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: Heil Great AMT posted by Tre' on October 1, 2013 at 16:41:45:
Hello all! Awhile back when I first got into my Sachiko double-back-loaded horns. I started looking for a tweeter that could keep up with the Fostex FE206ES-R drivers I had mounted in my Sachikos. Well I remembered how much I loved the Heils growing up. Plus I remembered reading somewhere that the Heil is 5x faster than other drivers. So I thought it would be a great driver to use as a tweeter with the FE206RS-R in my Sachiko cabinets.
However when I checked on the internet for info about the Heils it was either vague or varied wildly. Then I remembered reading somewhere that Dr. Albert Von Schweikert worked with Dr. Oskar Heil. So I contacted Dr. Von Schweikert about the Heil drivers. Below is Dr. Von Schweikert's response...
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Dear Tom,
I was Dr. Heil’s personal assistant for the last two years of his career and developed the first three-way AMT system, which hit the market just before Oskar died in an auto accident. His wife closed the company, so my design was never sold in large quantities, I believe there were less than 100 units sold in the 3 months it was on the market.
The Heil driver requires a 24dB/octave crossover at 1.2kHz or it will go into distortion. The Excel magnesium drivers are fantastic and can be crossed over at 1.2kHz with 24dB/oct as well, use a line source of the 6.5” units. I would use an active crossover, a passive crossover would be difficult for you to design unless you had access to test equipment and have extensive experience with circuit design.
Best regards,
Albert Von Schweikert
CEO/Chief Design Engineer
Von Schweikert Audio
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I hope that helps someone in some small way!
I'm listening to:
Thetubeguy1954 (Tom)
Central Florida Audio Society -- SETriodes Group -- Space Coast Audio Society
Full-range/Wide-range Drivers --- Front & Back-Loaded Horns --- High Sensitivity Speakers
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Follow Ups
- For ALL Heil Users Here. Some REAL Help - thetubeguy1954 10/8/1312:51:48 10/8/13 (0)
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