cliffy
43 posts
Mar 29, 2013
2:25 AM
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Hello MBH'ers,
I often see on eBay listings for mic elements (CM's and CR's) that have a "Fluke Meter" reading.
What does this number mean? Does it always mean the higher the number, the better sounding the element? Is this reading an objective means for comparing elements?
Thanks,
Bill (Cliffy)
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5F6H
1591 posts
Mar 29, 2013
6:08 AM
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It is simply showing the dc resistance of the element & has no tangible translation to the element's tone. You can tell lo-z (up to a couple of hundred ohms?) from hi-z (1100 to 2000ohms?) but that's about it.
DO NOT attempt to measure the dcr of crystal elements.
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Greg Heumann
2080 posts
Mar 29, 2013
8:55 AM
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Mark's answer is the important part.
FYI - Fluke just happens to be a good meter brand. But the generic term is "ohm meter".. All ohm meters work by passing a current through the circuit being tested. By measuring the voltage drop they compute the resistance. Newer meters use truly minuscule current to do the job. Older meters weren't as efficient - which is why it isn't a good idea to measure a crystal element. (Besides, the reading on a crystal is meaningless.)
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/Greg
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