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Old 03-01-2011, 02:26 AM
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John-Edmonton John-Edmonton is offline
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Default AT Pro Coil Comparison Graph - 8.5" x 11" DD Stock vs. 9" x 12" Concentric Coil

Here's the data:
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Old 03-02-2011, 01:50 AM
BountyHunter BountyHunter is offline
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Thumbs up That graph will make it in the books

much thanks for your reasearch and care into this.

I'm sure it will be history books material in a few years, they are going to talk about it as the John-Edmonton graph! on the AT Pro.

Thank you for sharing

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Old 03-02-2011, 03:16 AM
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Billvert Billvert is offline
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very interesting chart and information. I would love to see one comparing the stock Ace 150/250/350 coils to the:

8x6" SEF Butterfly and the
10X14 Elliptical DD Excellerator II EQ2

The only other variables I wonder about are the differences in the respective frequencies of the units. The 150 and 250 (6.5khz), the 350 (8.25khz) and the AT Pro (15Khz).

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