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Metal Detectors
Minelab
Troubleshooting GPX 5000
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<blockquote data-quote="Hawkear" data-source="post: 652964" data-attributes="member: 4728"><p>Were the new headphones Minelab ones or other? The reason for the difference in sound between them ie “normal to fairly quiet” for the Minelab ones and “relatively normal to ear piercing loud” for the other set, just could be the result of different impedance ratings for the headphones.</p><p>I believe the Minelab Koss headphones have a rating of 100 ohms, if the other phones have a different rating than that they can sound louder (not necessarily better) which would be consistent with the effect you noted. It would just mean that both headphones are ok just doing the job the are designed to do.</p><p>Wilkos suggestion about checking every plug, socket, cable, component in the detector signal train is the way to go.</p></blockquote><p></p>
[QUOTE="Hawkear, post: 652964, member: 4728"] Were the new headphones Minelab ones or other? The reason for the difference in sound between them ie “normal to fairly quiet” for the Minelab ones and “relatively normal to ear piercing loud” for the other set, just could be the result of different impedance ratings for the headphones. I believe the Minelab Koss headphones have a rating of 100 ohms, if the other phones have a different rating than that they can sound louder (not necessarily better) which would be consistent with the effect you noted. It would just mean that both headphones are ok just doing the job the are designed to do. Wilkos suggestion about checking every plug, socket, cable, component in the detector signal train is the way to go. [/QUOTE]
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Metal Detectors
Minelab
Troubleshooting GPX 5000
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