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Metal Detectors
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Headphone workover.
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<blockquote data-quote="N61753" data-source="post: 102119" data-attributes="member: 3834"><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/3834/1411031418_image.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Sorry about image size.</p><p>This is similar to what the old timers were getting from Telstra.</p><p>It doesn't use a moving coil type system, it's some other type system which escapes me at the moment.</p><p>I've had it in the drawer for at least 45 years, shows you how old I must be.</p><p>It is the type of headset they used in crystal radios so it's designed to work with very week signals.</p><p>The frequency response will be very poor.</p><p></p><p>First chance I get I will try it out and let you know how well it works.</p><p>And thanks for the post, I would never have thought to try it out.</p></blockquote><p></p>
[QUOTE="N61753, post: 102119, member: 3834"] [img]https://www.prospectingaustralia.com/forum/img/member-images/3834/1411031418_image.jpg[/img] Sorry about image size. This is similar to what the old timers were getting from Telstra. It doesn't use a moving coil type system, it's some other type system which escapes me at the moment. I've had it in the drawer for at least 45 years, shows you how old I must be. It is the type of headset they used in crystal radios so it's designed to work with very week signals. The frequency response will be very poor. First chance I get I will try it out and let you know how well it works. And thanks for the post, I would never have thought to try it out. [/QUOTE]
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Metal Detectors
Detector Accessories
Headphone workover.
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