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Metal Detectors
Minelab
Minelab SD2000 tips, settings, questions
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<blockquote data-quote="joe" data-source="post: 57938" data-attributes="member: 175"><p>6V smart move mate. If you have a look at the schematics battery feed has Zener diode in parallel to protect or supress excessive voltage + 5% or so, (i would presume) these days they would used IC's as voltage regulator. So although it may run on 7V 7.5V your components are 19 years old as you said and overheating will change their value thus giving you undesired results.</p><p></p><p>The two 6V batteries would have to run in parralel which would double the capacity amp hours but not voltage. I use one 6V 12amp hour and last all day no problem.</p><p></p><p>Try some testing "as is" to get the feeling for it and perhaps change coils to mono (noisier but more sensitive)</p><p></p><p>Best of luck hunting <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="joe, post: 57938, member: 175"] 6V smart move mate. If you have a look at the schematics battery feed has Zener diode in parallel to protect or supress excessive voltage + 5% or so, (i would presume) these days they would used IC's as voltage regulator. So although it may run on 7V 7.5V your components are 19 years old as you said and overheating will change their value thus giving you undesired results. The two 6V batteries would have to run in parralel which would double the capacity amp hours but not voltage. I use one 6V 12amp hour and last all day no problem. Try some testing "as is" to get the feeling for it and perhaps change coils to mono (noisier but more sensitive) Best of luck hunting :) [/QUOTE]
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Metal Detectors
Minelab
Minelab SD2000 tips, settings, questions
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