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Date Posted: 17:14:45 08/04/02 Sun
Author: Ralph
Subject: Hi Bill.....
In reply to: Bill(OR) 's message, "Re: Thanks Jim" on 15:15:45 08/04/02 Sun

I think the operating frequency is one of the factors, but the high gain that the X-5 is able to use, in part due to the much tighter tolerances in the individual circuit components that Troy has used is probably as important as any other single factor. The X-5 is without a doubt one of the most sensitive detectors I've ever used in 30 plus years experience with detectors. While most manufacturers allow for an average +/- 5 pecent tolerance or more in their individual component values, the X-5 is nearer 2 or 3 percent, making for a significant difference in "drift" from the intended design specs. I think Troy really used his head in looking at the overall picture of what was available on the market, and what has been done in the past to improve on current technology. As he's said himself, he hasn't done anything to negate the laws of physics..... but to attack "improvements" head on from a different direction. Taking the two main areas most conducive to those improvements seemed to be in the areas of receiver sensitivity and discrimination circuits. What was accomplished with tighter component tolerances and some additional "tweaking" of circuit designs has made for some serious differences in the X-5 compared to most everything out there at present. So far with this production unit, I've seen some dramatic improvements even over the earlier prototype of 18 months ago. Troy has given this X-5 project his all, and wouldn't consider "second best" as an option. I think that shows in the final product. I'm reluctant to call ANY metal detector "the best", but without a doubt, the new X-5 will prove to be one of the best machines available at this stage in VLF/IB evolution, though we are definately getting an influx of some excellent machines of late from the major manufacturers. Some of the others are about to realize (all too painfully) that they are quickly being left in the stone age due to their lack of due dilligence in the area of R&D. But for those leading the way, they are all giving us the advantage and benefit of their hard work and dedication. When you stop and think about it, Troy has tackled 'em all with his first true in-house design and development accomplishments, and he should stand proud in the fact that he has managed to start at the top of the pack. That's no small accomplishment !

Ralph

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